56603364134465 has 16 divisors (see below), whose sum is σ = 67991399004672. Its totient is φ = 45237794667264.

The previous prime is 56603364134437. The next prime is 56603364134497. The reversal of 56603364134465 is 56443146330665.

It is a cyclic number.

It is not a de Polignac number, because 56603364134465 - 2¹⁰ = 56603364133441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56603364134465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39276272 + ... + 40691918.

It is an arithmetic number, because the mean of its divisors is an integer number (4249462437792).

Almost surely, 2^{56603364134465} is an apocalyptic number.

It is an amenable number.

56603364134465 is a deficient number, since it is larger than the sum of its proper divisors (11388034870207).

56603364134465 is a wasteful number, since it uses less digits than its factorization.

56603364134465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423576.

The product of its (nonzero) digits is 55987200, while the sum is 56.

The spelling of 56603364134465 in words is "fifty-six trillion, six hundred three billion, three hundred sixty-four million, one hundred thirty-four thousand, four hundred sixty-five".