561612147787364 has 48 divisors (see below), whose sum is σ = 989073124670400. Its totient is φ = 279025898950656.

The previous prime is 561612147787357. The next prime is 561612147787421. The reversal of 561612147787364 is 463787741216165.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 561612147787294 and 561612147787303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685652707 + ... + 1685985845.

It is an arithmetic number, because the mean of its divisors is an integer number (20605690097300).

Almost surely, 2^{561612147787364} is an apocalyptic number.

It is an amenable number.

561612147787364 is a deficient number, since it is larger than the sum of its proper divisors (427460976883036).

561612147787364 is a wasteful number, since it uses less digits than its factorization.

561612147787364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337692 (or 337690 counting only the distinct ones).

The product of its digits is 284497920, while the sum is 68.

The spelling of 561612147787364 in words is "five hundred sixty-one trillion, six hundred twelve billion, one hundred forty-seven million, seven hundred eighty-seven thousand, three hundred sixty-four".