561011052863 has 8 divisors (see below), whose sum is σ = 563456640096. Its totient is φ = 558569077600.

The previous prime is 561011052829. The next prime is 561011052883. The reversal of 561011052863 is 368250110165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 561011052863 - 2²⁶ = 560943943999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561011052803) 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, 591443 + ... + 1213188.

It is an arithmetic number, because the mean of its divisors is an integer number (70432080012).

Almost surely, 2^561011052863 is an apocalyptic number.

561011052863 is a deficient number, since it is larger than the sum of its proper divisors (2445587233).

561011052863 is a wasteful number, since it uses less digits than its factorization.

561011052863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805985.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 561011052863 in words is "five hundred sixty-one billion, eleven million, fifty-two thousand, eight hundred sixty-three".