115545556 has 24 divisors (see below), whose sum is σ = 238547456. Its totient is φ = 47921760.

The previous prime is 115545553. The next prime is 115545571. The reversal of 115545556 is 655545511.

It is a super-2 number, since 2×115545556² = 26701551022698272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115545553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65691 + ... + 67426.

Almost surely, 2^115545556 is an apocalyptic number.

It is an amenable number.

115545556 is an abundant number, since it is smaller than the sum of its proper divisors (123001900).

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

115545556 is a wasteful number, since it uses less digits than its factorization.

115545556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133159 (or 133157 counting only the distinct ones).

The product of its digits is 75000, while the sum is 37.

The square root of 115545556 is about 10749.2118780867. The cubic root of 115545556 is about 487.0621882139.

It can be divided in two parts, 1155455 and 56, that added together give a palindrome (1155511).

The spelling of 115545556 in words is "one hundred fifteen million, five hundred forty-five thousand, five hundred fifty-six".