11870102500 has 45 divisors (see below), whose sum is σ = 25969458207. Its totient is φ = 4745862000.

The previous prime is 11870102477. The next prime is 11870102501. The reversal of 11870102500 is 520107811.

The square root of 11870102500 is 108950.

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

It can be written as a sum of positive squares in 2 ways, for example, as 930616036 + 10939486464 = 30506^2 + 104592^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11870102501) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5446411 + ... + 5448589.

Almost surely, 2^11870102500 is an apocalyptic number.

11870102500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11870102500 is the 108950-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11870102500

11870102500 is an abundant number, since it is smaller than the sum of its proper divisors (14099355707).

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

11870102500 is an frugal number, since it uses more digits than its factorization.

11870102500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

Multiplying 11870102500 by its sum of digits (25), we get a square (296752562500 = 544750²).

11870102500 divided by its sum of digits (25) gives a square (474804100 = 21790²).

The spelling of 11870102500 in words is "eleven billion, eight hundred seventy million, one hundred two thousand, five hundred".