561353503815275 has 24 divisors (see below), whose sum is σ = 769068657107424. Its totient is φ = 404289377676800.

The previous prime is 561353503815211. The next prime is 561353503815277. The reversal of 561353503815275 is 572518305353165.

It is not a de Polignac number, because 561353503815275 - 2⁶ = 561353503815211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561353503815277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28713724436 + ... + 28713743985.

It is an arithmetic number, because the mean of its divisors is an integer number (32044527379476).

Almost surely, 2^{561353503815275} is an apocalyptic number.

561353503815275 is a deficient number, since it is larger than the sum of its proper divisors (207715153292149).

561353503815275 is a wasteful number, since it uses less digits than its factorization.

561353503815275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57427468471 (or 57427468466 counting only the distinct ones).

The product of its (nonzero) digits is 56700000, while the sum is 59.

The spelling of 561353503815275 in words is "five hundred sixty-one trillion, three hundred fifty-three billion, five hundred three million, eight hundred fifteen thousand, two hundred seventy-five".