56614657881599 has 2 divisors, whose sum is σ = 56614657881600. Its totient is φ = 56614657881598.

The previous prime is 56614657881559. The next prime is 56614657881623. The reversal of 56614657881599 is 99518875641665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56614657881599 - 2⁴⁴ = 39022471837183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56614657881559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28307328940799 + 28307328940800.

It is an arithmetic number, because the mean of its divisors is an integer number (28307328940800).

Almost surely, 2^{56614657881599} is an apocalyptic number.

56614657881599 is a deficient number, since it is larger than the sum of its proper divisors (1).

56614657881599 is an equidigital number, since it uses as much as digits as its factorization.

56614657881599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104000, while the sum is 80.

The spelling of 56614657881599 in words is "fifty-six trillion, six hundred fourteen billion, six hundred fifty-seven million, eight hundred eighty-one thousand, five hundred ninety-nine".