15087977122368 has 112 divisors (see below), whose sum is σ = 42527621848320. Its totient is φ = 4707219147264.

The previous prime is 15087977122363. The next prime is 15087977122409. The reversal of 15087977122368 is 86322177978051.

It is a junction number, because it is equal to n+sod(n) for n = 15087977122299 and 15087977122308.

It is not an unprimeable number, because it can be changed into a prime (15087977122363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24612630 + ... + 25218197.

It is an arithmetic number, because the mean of its divisors is an integer number (379710909360).

Almost surely, 2^{15087977122368} is an apocalyptic number.

It is an amenable number.

15087977122368 is an abundant number, since it is smaller than the sum of its proper divisors (27439644725952).

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

15087977122368 is a wasteful number, since it uses less digits than its factorization.

15087977122368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49830944 (or 49830934 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 66.

The spelling of 15087977122368 in words is "fifteen trillion, eighty-seven billion, nine hundred seventy-seven million, one hundred twenty-two thousand, three hundred sixty-eight".