561112531226 has 8 divisors (see below), whose sum is σ = 906412550484. Its totient is φ = 258975014400.

The previous prime is 561112531193. The next prime is 561112531229. The reversal of 561112531226 is 622135211165.

It can be written as a sum of positive squares in 2 ways, for example, as 415837971025 + 145274560201 = 644855^2 + 381149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (561112531229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10790625575 + ... + 10790625626.

Almost surely, 2^561112531226 is an apocalyptic number.

561112531226 is a deficient number, since it is larger than the sum of its proper divisors (345300019258).

561112531226 is a wasteful number, since it uses less digits than its factorization.

561112531226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21581251216.

The product of its digits is 21600, while the sum is 35.

The spelling of 561112531226 in words is "five hundred sixty-one billion, one hundred twelve million, five hundred thirty-one thousand, two hundred twenty-six".