115651316 has 18 divisors (see below), whose sum is σ = 222462450. Its totient is φ = 52568560.

The previous prime is 115651301. The next prime is 115651331. The reversal of 115651316 is 613156511.

It is an interprime number because it is at equal distance from previous prime (115651301) and next prime (115651331).

It can be written as a sum of positive squares in only one way, i.e., 70627216 + 45024100 = 8404^2 + 6710^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118991 + ... + 119958.

It is an arithmetic number, because the mean of its divisors is an integer number (12359025).

Almost surely, 2^115651316 is an apocalyptic number.

It is an amenable number.

115651316 is a deficient number, since it is larger than the sum of its proper divisors (106811134).

115651316 is a wasteful number, since it uses less digits than its factorization.

115651316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238975 (or 238962 counting only the distinct ones).

The product of its digits is 2700, while the sum is 29.

The square root of 115651316 is about 10754.1301833296. The cubic root of 115651316 is about 487.2107471904.

The spelling of 115651316 in words is "one hundred fifteen million, six hundred fifty-one thousand, three hundred sixteen".