561110555094 has 16 divisors (see below), whose sum is σ = 1122229037232. Its totient is φ = 187035530528.

The previous prime is 561110555021. The next prime is 561110555123. The reversal of 561110555094 is 490555011165.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1005412 + ... + 1460504.

It is an arithmetic number, because the mean of its divisors is an integer number (70139314827).

Almost surely, 2^561110555094 is an apocalyptic number.

561110555094 is an abundant number, since it is smaller than the sum of its proper divisors (561118482138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561110555094 is a wasteful number, since it uses less digits than its factorization.

561110555094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660591.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 561110555094 in words is "five hundred sixty-one billion, one hundred ten million, five hundred fifty-five thousand, ninety-four".