115566051307 has 12 divisors (see below), whose sum is σ = 141509451720. Its totient is φ = 93843108576.

The previous prime is 115566051283. The next prime is 115566051313. The reversal of 115566051307 is 703150665511.

It is a happy number.

It is not a de Polignac number, because 115566051307 - 2¹⁹ = 115565527019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115566051307.

It is not an unprimeable number, because it can be changed into a prime (115566031307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62064618 + ... + 62066479.

It is an arithmetic number, because the mean of its divisors is an integer number (11792454310).

Almost surely, 2^115566051307 is an apocalyptic number.

115566051307 is a deficient number, since it is larger than the sum of its proper divisors (25943400413).

115566051307 is a wasteful number, since it uses less digits than its factorization.

115566051307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124131130 (or 124131123 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 115566051307 in words is "one hundred fifteen billion, five hundred sixty-six million, fifty-one thousand, three hundred seven".