115709912 has 8 divisors (see below), whose sum is σ = 216956100. Its totient is φ = 57854952.

The previous prime is 115709873. The next prime is 115709917. The reversal of 115709912 is 219907511.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115709917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7231862 + ... + 7231877.

Almost surely, 2^115709912 is an apocalyptic number.

It is an amenable number.

115709912 is a deficient number, since it is larger than the sum of its proper divisors (101246188).

115709912 is a wasteful number, since it uses less digits than its factorization.

115709912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463745 (or 14463741 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 35.

The square root of 115709912 is about 10756.8541869824. The cubic root of 115709912 is about 487.2930168432.

The spelling of 115709912 in words is "one hundred fifteen million, seven hundred nine thousand, nine hundred twelve".