656241125315 has 4 divisors (see below), whose sum is σ = 787489350384. Its totient is φ = 524992900248.

The previous prime is 656241125311. The next prime is 656241125341. The reversal of 656241125315 is 513521142656.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 656241125315 - 2² = 656241125311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656241125311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65624112527 + ... + 65624112536.

It is an arithmetic number, because the mean of its divisors is an integer number (196872337596).

Almost surely, 2^656241125315 is an apocalyptic number.

656241125315 is a deficient number, since it is larger than the sum of its proper divisors (131248225069).

656241125315 is a wasteful number, since it uses less digits than its factorization.

656241125315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131248225068.

The product of its digits is 216000, while the sum is 41.

The spelling of 656241125315 in words is "six hundred fifty-six billion, two hundred forty-one million, one hundred twenty-five thousand, three hundred fifteen".