561100011072 has 28 divisors (see below), whose sum is σ = 1484577113136. Its totient is φ = 187033336960.

The previous prime is 561100011023. The next prime is 561100011083. The reversal of 561100011072 is 270110001165.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461197754 + ... + 1461198137.

Almost surely, 2^561100011072 is an apocalyptic number.

It is an amenable number.

561100011072 is an abundant number, since it is smaller than the sum of its proper divisors (923477102064).

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

561100011072 is a wasteful number, since it uses less digits than its factorization.

561100011072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922395906 (or 2922395896 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 24.

The spelling of 561100011072 in words is "five hundred sixty-one billion, one hundred million, eleven thousand, seventy-two".