115961100 has 36 divisors (see below), whose sum is σ = 335514984. Its totient is φ = 30922880.

The previous prime is 115961093. The next prime is 115961119. The reversal of 115961100 is 1169511.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192969 + ... + 193568.

Almost surely, 2^115961100 is an apocalyptic number.

115961100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115961100 is an abundant number, since it is smaller than the sum of its proper divisors (219553884).

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

115961100 is a wasteful number, since it uses less digits than its factorization.

115961100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386554 (or 386547 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 24.

The square root of 115961100 is about 10768.5235756811. The cubic root of 115961100 is about 487.6453741331.

The spelling of 115961100 in words is "one hundred fifteen million, nine hundred sixty-one thousand, one hundred".