561132615415544 has 32 divisors (see below), whose sum is σ = 1074802928198400. Its totient is φ = 274521764170080.

The previous prime is 561132615415483. The next prime is 561132615415601. The reversal of 561132615415544 is 445514516231165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202556162 + ... + 205307729.

It is an arithmetic number, because the mean of its divisors is an integer number (33587591506200).

Almost surely, 2^{561132615415544} is an apocalyptic number.

It is an amenable number.

561132615415544 is a deficient number, since it is larger than the sum of its proper divisors (513670312782856).

561132615415544 is a wasteful number, since it uses less digits than its factorization.

561132615415544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407867603 (or 407867599 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 53.

The spelling of 561132615415544 in words is "five hundred sixty-one trillion, one hundred thirty-two billion, six hundred fifteen million, four hundred fifteen thousand, five hundred forty-four".