115658545100 has 72 divisors (see below), whose sum is σ = 292245232608. Its totient is φ = 38906150400.

The previous prime is 115658545087. The next prime is 115658545117. The reversal of 115658545100 is 1545856511.

It is a happy number.

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, 1521641 + ... + 1595840.

It is an arithmetic number, because the mean of its divisors is an integer number (4058961564).

Almost surely, 2^115658545100 is an apocalyptic number.

115658545100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115658545100 is an abundant number, since it is smaller than the sum of its proper divisors (176586687508).

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

115658545100 is a wasteful number, since it uses less digits than its factorization.

115658545100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117555 (or 3117548 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 41.

The spelling of 115658545100 in words is "one hundred fifteen billion, six hundred fifty-eight million, five hundred forty-five thousand, one hundred".