56989366398965 has 192 divisors, whose sum is σ = 93549086991360. Its totient is φ = 32427800064000.

The previous prime is 56989366398917. The next prime is 56989366398983.

56989366398965 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56989366398965 - 2⁸ = 56989366398709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4765389656 + ... + 4765401614.

It is an arithmetic number, because the mean of its divisors is an integer number (487234828080).

Almost surely, 2^{56989366398965} is an apocalyptic number.

56989366398965 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56989366398965 is a deficient number, since it is larger than the sum of its proper divisors (36559720592395).

56989366398965 is a wasteful number, since it uses less digits than its factorization.

56989366398965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12964 (or 12953 counting only the distinct ones).

The product of its digits is 122444006400, while the sum is 92.

The spelling of 56989366398965 in words is "fifty-six trillion, nine hundred eighty-nine billion, three hundred sixty-six million, three hundred ninety-eight thousand, nine hundred sixty-five".