1180503980100 has 81 divisors (see below), whose sum is σ = 3700326313047. Its totient is φ = 314792369280.

The previous prime is 1180503980093. The next prime is 1180503980107. The reversal of 1180503980100 is 10893050811.

The square root of 1180503980100 is 1086510.

It is a perfect power (a square), and thus also a powerful number.

1180503980100 is a `hidden beast` number, since 118 + 0 + 50 + 398 + 0 + 100 = 666.

It is an interprime number because it is at equal distance from previous prime (1180503980093) and next prime (1180503980107).

It can be written as a sum of positive squares in 4 ways, for example, as 350466368004 + 830037612096 = 592002^2 + 911064^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1180503980107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32577192 + ... + 32613408.

Almost surely, 2^{1180503980100} is an apocalyptic number.

1180503980100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1180503980100 is the 1086510-th square number.

It is an amenable number.

1180503980100 is an abundant number, since it is smaller than the sum of its proper divisors (2519822332947).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1180503980100 is an frugal number, since it uses more digits than its factorization.

1180503980100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72454 (or 36227 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

Multiplying 1180503980100 by its sum of digits (36), we get a square (42498143283600 = 6519060²).

1180503980100 divided by its sum of digits (36) gives a square (32791777225 = 181085²).

The spelling of 1180503980100 in words is "one trillion, one hundred eighty billion, five hundred three million, nine hundred eighty thousand, one hundred".