561290797132 has 12 divisors (see below), whose sum is σ = 1057817271616. Its totient is φ = 259057290960.

The previous prime is 561290797129. The next prime is 561290797159. The reversal of 561290797132 is 231797092165.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 10794053791 = 561290797132 / (5 + 6 + 1 + 2 + 9 + 0 + 7 + 9 + 7 + 1 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 561290797132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5397026844 + ... + 5397026947.

Almost surely, 2^561290797132 is an apocalyptic number.

561290797132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

561290797132 is a deficient number, since it is larger than the sum of its proper divisors (496526474484).

561290797132 is a wasteful number, since it uses less digits than its factorization.

561290797132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10794053808 (or 10794053806 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 561290797132 in words is "five hundred sixty-one billion, two hundred ninety million, seven hundred ninety-seven thousand, one hundred thirty-two".