561136631179 has 2 divisors, whose sum is σ = 561136631180. Its totient is φ = 561136631178.

The previous prime is 561136631147. The next prime is 561136631207. The reversal of 561136631179 is 971136631165.

561136631179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561136631179 - 2⁵ = 561136631147 is a prime.

It is not a weakly prime, because it can be changed into another prime (561136631779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280568315589 + 280568315590.

It is an arithmetic number, because the mean of its divisors is an integer number (280568315590).

Almost surely, 2^561136631179 is an apocalyptic number.

561136631179 is a deficient number, since it is larger than the sum of its proper divisors (1).

561136631179 is an equidigital number, since it uses as much as digits as its factorization.

561136631179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 49.

The spelling of 561136631179 in words is "five hundred sixty-one billion, one hundred thirty-six million, six hundred thirty-one thousand, one hundred seventy-nine".