561051050564 has 24 divisors (see below), whose sum is σ = 986973852480. Its totient is φ = 279062114976.

The previous prime is 561051050561. The next prime is 561051050611. The reversal of 561051050564 is 465050150165.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (561051050561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176249 + ... + 1073855.

It is an arithmetic number, because the mean of its divisors is an integer number (41123910520).

Almost surely, 2^561051050564 is an apocalyptic number.

It is an amenable number.

561051050564 is a deficient number, since it is larger than the sum of its proper divisors (425922801916).

561051050564 is a wasteful number, since it uses less digits than its factorization.

561051050564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898427 (or 898425 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 561051050564 in words is "five hundred sixty-one billion, fifty-one million, fifty thousand, five hundred sixty-four".