561106112626 has 4 divisors (see below), whose sum is σ = 841659168942. Its totient is φ = 280553056312.

The previous prime is 561106112617. The next prime is 561106112639. The reversal of 561106112626 is 626211601165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 295158591225 + 265947521401 = 543285^2 + 515701^2 .

It is a super-2 number, since 2×561106112626² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140276528155 + ... + 140276528158.

Almost surely, 2^561106112626 is an apocalyptic number.

561106112626 is a deficient number, since it is larger than the sum of its proper divisors (280553056316).

561106112626 is a wasteful number, since it uses less digits than its factorization.

561106112626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280553056315.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 561106112626 in words is "five hundred sixty-one billion, one hundred six million, one hundred twelve thousand, six hundred twenty-six".