360640572561 has 8 divisors (see below), whose sum is σ = 534282329760. Its totient is φ = 240427048356.

The previous prime is 360640572557. The next prime is 360640572599. The reversal of 360640572561 is 165275046063.

360640572561 is a `hidden beast` number, since 36 + 0 + 6 + 4 + 0 + 57 + 2 + 561 = 666.

It is not a de Polignac number, because 360640572561 - 2² = 360640572557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (360640572521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6678529095 + ... + 6678529148.

It is an arithmetic number, because the mean of its divisors is an integer number (66785291220).

Almost surely, 2^360640572561 is an apocalyptic number.

It is an amenable number.

360640572561 is a deficient number, since it is larger than the sum of its proper divisors (173641757199).

360640572561 is a wasteful number, since it uses less digits than its factorization.

360640572561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13357058252 (or 13357058246 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 360640572561 in words is "three hundred sixty billion, six hundred forty million, five hundred seventy-two thousand, five hundred sixty-one".