356231436561 has 48 divisors (see below), whose sum is σ = 690873106560. Its totient is φ = 170820264960.

The previous prime is 356231436529. The next prime is 356231436599. The reversal of 356231436561 is 165634132653.

356231436561 is a `hidden beast` number, since 3 + 5 + 623 + 14 + 3 + 6 + 5 + 6 + 1 = 666.

It is not a de Polignac number, because 356231436561 - 2⁵ = 356231436529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (356231436661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19761856 + ... + 19779873.

It is an arithmetic number, because the mean of its divisors is an integer number (14393189720).

Almost surely, 2^356231436561 is an apocalyptic number.

It is an amenable number.

356231436561 is a deficient number, since it is larger than the sum of its proper divisors (334641669999).

356231436561 is a wasteful number, since it uses less digits than its factorization.

356231436561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39541766 (or 39541763 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The spelling of 356231436561 in words is "three hundred fifty-six billion, two hundred thirty-one million, four hundred thirty-six thousand, five hundred sixty-one".