56776505675515 has 8 divisors (see below), whose sum is σ = 70481179459440. Its totient is φ = 43854956107872.

The previous prime is 56776505675509. The next prime is 56776505675543. The reversal of 56776505675515 is 51557650567765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56776505675515 - 2³³ = 56767915740923 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195781053909 + ... + 195781054198.

It is an arithmetic number, because the mean of its divisors is an integer number (8810147432430).

Almost surely, 2^{56776505675515} is an apocalyptic number.

56776505675515 is a deficient number, since it is larger than the sum of its proper divisors (13704673783925).

56776505675515 is a wasteful number, since it uses less digits than its factorization.

56776505675515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391562108141.

The product of its (nonzero) digits is 1157625000, while the sum is 70.

The spelling of 56776505675515 in words is "fifty-six trillion, seven hundred seventy-six billion, five hundred five million, six hundred seventy-five thousand, five hundred fifteen".