561106100992 has 36 divisors (see below), whose sum is σ = 1138381402816. Its totient is φ = 275953812480.

The previous prime is 561106100981. The next prime is 561106100993. The reversal of 561106100992 is 299001601165.

It is not an unprimeable number, because it can be changed into a prime (561106100993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17950128 + ... + 17981359.

Almost surely, 2^561106100992 is an apocalyptic number.

It is an amenable number.

561106100992 is an abundant number, since it is smaller than the sum of its proper divisors (577275301824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561106100992 is an equidigital number, since it uses as much as digits as its factorization.

561106100992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35931564 (or 35931550 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 561106100992 in words is "five hundred sixty-one billion, one hundred six million, one hundred thousand, nine hundred ninety-two".