561536527074 has 16 divisors (see below), whose sum is σ = 1123094911680. Its totient is φ = 187175199440.

The previous prime is 561536527037. The next prime is 561536527091. The reversal of 561536527074 is 470725635165.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566757 + ... + 1201784.

It is an arithmetic number, because the mean of its divisors is an integer number (70193431980).

Almost surely, 2^561536527074 is an apocalyptic number.

561536527074 is an abundant number, since it is smaller than the sum of its proper divisors (561558384606).

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

561536527074 is a wasteful number, since it uses less digits than its factorization.

561536527074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821465.

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 561536527074 in words is "five hundred sixty-one billion, five hundred thirty-six million, five hundred twenty-seven thousand, seventy-four".