115510556100 has 72 divisors (see below), whose sum is σ = 334284160000. Its totient is φ = 30796030080.

The previous prime is 115510556089. The next prime is 115510556141. The reversal of 115510556100 is 1655015511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1403901 + ... + 1483899.

Almost surely, 2^115510556100 is an apocalyptic number.

115510556100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115510556100 is an abundant number, since it is smaller than the sum of its proper divisors (218773603900).

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

115510556100 is a wasteful number, since it uses less digits than its factorization.

115510556100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84829 (or 84822 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 115510556100 in words is "one hundred fifteen billion, five hundred ten million, five hundred fifty-six thousand, one hundred".