1150054500 has 144 divisors (see below), whose sum is σ = 3895976448. Its totient is φ = 262852800.

The previous prime is 1150054489. The next prime is 1150054501. The reversal of 1150054500 is 54500511.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1150054501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65677 + ... + 81323.

It is an arithmetic number, because the mean of its divisors is an integer number (27055392).

Almost surely, 2^1150054500 is an apocalyptic number.

1150054500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150054500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1947988224).

1150054500 is an abundant number, since it is smaller than the sum of its proper divisors (2745921948).

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

1150054500 is a wasteful number, since it uses less digits than its factorization.

1150054500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15683 (or 15664 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1150054500 is about 33912.4534647672. The cubic root of 1150054500 is about 1047.7061033684.

The spelling of 1150054500 in words is "one billion, one hundred fifty million, fifty-four thousand, five hundred".