561110555093 has 16 divisors (see below), whose sum is σ = 638969385600. Its totient is φ = 487742830080.

The previous prime is 561110555021. The next prime is 561110555123. The reversal of 561110555093 is 390555011165.

It is a de Polignac number, because none of the positive numbers 2^k-561110555093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 561110555093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561110555003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284093 + ... + 1096781.

It is an arithmetic number, because the mean of its divisors is an integer number (39935586600).

Almost surely, 2^561110555093 is an apocalyptic number.

It is an amenable number.

561110555093 is a deficient number, since it is larger than the sum of its proper divisors (77858830507).

561110555093 is a wasteful number, since it uses less digits than its factorization.

561110555093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815452.

The product of its (nonzero) digits is 101250, while the sum is 41.

The spelling of 561110555093 in words is "five hundred sixty-one billion, one hundred ten million, five hundred fifty-five thousand, ninety-three".