115516078 has 4 divisors (see below), whose sum is σ = 173274120. Its totient is φ = 57758038.

The previous prime is 115516069. The next prime is 115516099. The reversal of 115516078 is 870615511.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28879018 + ... + 28879021.

It is an arithmetic number, because the mean of its divisors is an integer number (43318530).

Almost surely, 2^115516078 is an apocalyptic number.

115516078 is a deficient number, since it is larger than the sum of its proper divisors (57758042).

115516078 is an equidigital number, since it uses as much as digits as its factorization.

115516078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57758041.

The product of its (nonzero) digits is 8400, while the sum is 34.

The square root of 115516078 is about 10747.8406203293. The cubic root of 115516078 is about 487.0207648977.

The spelling of 115516078 in words is "one hundred fifteen million, five hundred sixteen thousand, seventy-eight".