656313111225543 has 16 divisors (see below), whose sum is σ = 875939888370176. Its totient is φ = 437114234682720.

The previous prime is 656313111225529. The next prime is 656313111225553. The reversal of 656313111225543 is 345522111313656.

It is not a de Polignac number, because 656313111225543 - 2²⁰ = 656313110176967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 656313111225492 and 656313111225501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656313111225553) 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, 82395021 + ... + 90008697.

It is an arithmetic number, because the mean of its divisors is an integer number (54746243023136).

Almost surely, 2^{656313111225543} is an apocalyptic number.

656313111225543 is a deficient number, since it is larger than the sum of its proper divisors (219626777144633).

656313111225543 is a wasteful number, since it uses less digits than its factorization.

656313111225543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7641774.

The product of its digits is 1944000, while the sum is 48.

The spelling of 656313111225543 in words is "six hundred fifty-six trillion, three hundred thirteen billion, one hundred eleven million, two hundred twenty-five thousand, five hundred forty-three".