561134303431165 has 16 divisors (see below), whose sum is σ = 679899968841600. Its totient is φ = 444548256489792.

The previous prime is 561134303431111. The next prime is 561134303431237.

561134303431165 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561134303431165 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461357451 + ... + 462572119.

It is an arithmetic number, because the mean of its divisors is an integer number (42493748052600).

Almost surely, 2^{561134303431165} is an apocalyptic number.

It is an amenable number.

561134303431165 is a deficient number, since it is larger than the sum of its proper divisors (118765665410435).

561134303431165 is a wasteful number, since it uses less digits than its factorization.

561134303431165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111796.

The product of its (nonzero) digits is 1166400, while the sum is 46.

It can be divided in two parts, 56113430 and 3431165, that added together give a palindrome (59544595).

The spelling of 561134303431165 in words is "five hundred sixty-one trillion, one hundred thirty-four billion, three hundred three million, four hundred thirty-one thousand, one hundred sixty-five".