56867555576865 has 32 divisors (see below), whose sum is σ = 99275433394176. Its totient is φ = 27567787040960.

The previous prime is 56867555576851. The next prime is 56867555576933.

56867555576865 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56867555576865 - 2¹² = 56867555572769 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26210529 + ... + 28297118.

It is an arithmetic number, because the mean of its divisors is an integer number (3102357293568).

Almost surely, 2^{56867555576865} is an apocalyptic number.

56867555576865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56867555576865 is a deficient number, since it is larger than the sum of its proper divisors (42407877817311).

56867555576865 is a wasteful number, since it uses less digits than its factorization.

56867555576865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54513989.

The product of its digits is 63504000000, while the sum is 84.

The spelling of 56867555576865 in words is "fifty-six trillion, eight hundred sixty-seven billion, five hundred fifty-five million, five hundred seventy-six thousand, eight hundred sixty-five".