561112303211165 has 16 divisors (see below), whose sum is σ = 713134394334720. Its totient is φ = 422370955818240.

The previous prime is 561112303211147. The next prime is 561112303211179.

561112303211165 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 561112303211165 - 2²² = 561112299016861 is a prime.

It is a Curzon number.

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, 887196821 + ... + 887829050.

It is an arithmetic number, because the mean of its divisors is an integer number (44570899645920).

Almost surely, 2^{561112303211165} is an apocalyptic number.

It is an amenable number.

561112303211165 is a deficient number, since it is larger than the sum of its proper divisors (152022091123555).

561112303211165 is a wasteful number, since it uses less digits than its factorization.

561112303211165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775029612.

The product of its (nonzero) digits is 32400, while the sum is 38.

It can be divided in two parts, 56111230 and 3211165, that added together give a palindrome (59322395).

The spelling of 561112303211165 in words is "five hundred sixty-one trillion, one hundred twelve billion, three hundred three million, two hundred eleven thousand, one hundred sixty-five".