56461106865993 has 16 divisors (see below), whose sum is σ = 77942997506880. Its totient is φ = 36312164025536.

The previous prime is 56461106865979. The next prime is 56461106866013. The reversal of 56461106865993 is 39956860116465.

It is a cyclic number.

It is not a de Polignac number, because 56461106865993 - 2²¹ = 56461104768841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56461106865893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273265830 + ... + 273472367.

It is an arithmetic number, because the mean of its divisors is an integer number (4871437344180).

Almost surely, 2^{56461106865993} is an apocalyptic number.

It is an amenable number.

56461106865993 is a deficient number, since it is larger than the sum of its proper divisors (21481890640887).

56461106865993 is a wasteful number, since it uses less digits than its factorization.

56461106865993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546739416.

The product of its (nonzero) digits is 251942400, while the sum is 69.

The spelling of 56461106865993 in words is "fifty-six trillion, four hundred sixty-one billion, one hundred six million, eight hundred sixty-five thousand, nine hundred ninety-three".