561272244002 has 6 divisors (see below), whose sum is σ = 841909955259. Its totient is φ = 280635592250.

The previous prime is 561272243981. The next prime is 561272244023. The reversal of 561272244002 is 200442272165.

It is an interprime number because it is at equal distance from previous prime (561272243981) and next prime (561272244023).

It can be written as a sum of positive squares in only one way, i.e., 280636122001 + 280636122001 = 529751^2 + 529751^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=529751.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 794627 + ... + 1324377.

Almost surely, 2^561272244002 is an apocalyptic number.

561272244002 is a deficient number, since it is larger than the sum of its proper divisors (280637711257).

561272244002 is an frugal number, since it uses more digits than its factorization.

561272244002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059504 (or 529753 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 561272244002 in words is "five hundred sixty-one billion, two hundred seventy-two million, two hundred forty-four thousand, two".