115816387626 has 20 divisors (see below), whose sum is σ = 259514498562. Its totient is φ = 38605462488.

The previous prime is 115816387597. The next prime is 115816387637. The reversal of 115816387626 is 626783618511.

It is a happy number.

115816387626 is a `hidden beast` number, since 1 + 1 + 5 + 8 + 1 + 6 + 3 + 8 + 7 + 626 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65953944225 + 49862443401 = 256815^2 + 223299^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 357457825 + ... + 357458148.

Almost surely, 2^115816387626 is an apocalyptic number.

115816387626 is an abundant number, since it is smaller than the sum of its proper divisors (143698110936).

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

115816387626 is an equidigital number, since it uses as much as digits as its factorization.

115816387626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714915987 (or 714915978 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 115816387626 in words is "one hundred fifteen billion, eight hundred sixteen million, three hundred eighty-seven thousand, six hundred twenty-six".