115491016 has 16 divisors (see below), whose sum is σ = 218649600. Its totient is φ = 57184464.

The previous prime is 115491011. The next prime is 115491083. The reversal of 115491016 is 610194511.

It is not an unprimeable number, because it can be changed into a prime (115491011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69256 + ... + 70903.

It is an arithmetic number, because the mean of its divisors is an integer number (13665600).

Almost surely, 2^115491016 is an apocalyptic number.

It is an amenable number.

115491016 is a deficient number, since it is larger than the sum of its proper divisors (103158584).

115491016 is a wasteful number, since it uses less digits than its factorization.

115491016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140268 (or 140264 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 115491016 is about 10746.6746484668. The cubic root of 115491016 is about 486.9855415261.

The spelling of 115491016 in words is "one hundred fifteen million, four hundred ninety-one thousand, sixteen".