561110510051 has 12 divisors (see below), whose sum is σ = 702929650752. Its totient is φ = 443955567888.

The previous prime is 561110509997. The next prime is 561110510063. The reversal of 561110510051 is 150015011165.

It is not a de Polignac number, because 561110510051 - 2⁶ = 561110509987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 561110510051.

It is not an unprimeable number, because it can be changed into a prime (561110510951) 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 11 ways as a sum of consecutive naturals, for example, 440431475 + ... + 440432748.

It is an arithmetic number, because the mean of its divisors is an integer number (58577470896).

Almost surely, 2^561110510051 is an apocalyptic number.

561110510051 is a deficient number, since it is larger than the sum of its proper divisors (141819140701).

561110510051 is a wasteful number, since it uses less digits than its factorization.

561110510051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880864250 (or 880864243 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 561110510051 in words is "five hundred sixty-one billion, one hundred ten million, five hundred ten thousand, fifty-one".