56663131676825 has 6 divisors (see below), whose sum is σ = 70262283279294. Its totient is φ = 45330505341440.

The previous prime is 56663131676819. The next prime is 56663131676839. The reversal of 56663131676825 is 52867613136665.

It is a happy number.

56663131676825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 14237853262864 + 42425278413961 = 3773308^2 + 6513469^2 .

It is not a de Polignac number, because 56663131676825 - 2⁶ = 56663131676761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1133262633512 + ... + 1133262633561.

It is an arithmetic number, because the mean of its divisors is an integer number (11710380546549).

Almost surely, 2^{56663131676825} is an apocalyptic number.

It is an amenable number.

56663131676825 is a deficient number, since it is larger than the sum of its proper divisors (13599151602469).

56663131676825 is a wasteful number, since it uses less digits than its factorization.

56663131676825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266525267083 (or 2266525267078 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 65.

The spelling of 56663131676825 in words is "fifty-six trillion, six hundred sixty-three billion, one hundred thirty-one million, six hundred seventy-six thousand, eight hundred twenty-five".