56665583324385 has 32 divisors (see below), whose sum is σ = 104781303371520. Its totient is φ = 25613207482368.

The previous prime is 56665583324261. The next prime is 56665583324393. The reversal of 56665583324385 is 58342338556665.

It is a happy number.

It is not a de Polignac number, because 56665583324385 - 2¹⁰ = 56665583323361 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3031857072 + ... + 3031875761.

It is an arithmetic number, because the mean of its divisors is an integer number (3274415730360).

Almost surely, 2^{56665583324385} is an apocalyptic number.

It is an amenable number.

56665583324385 is a deficient number, since it is larger than the sum of its proper divisors (48115720047135).

56665583324385 is a wasteful number, since it uses less digits than its factorization.

56665583324385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6063732937.

The product of its digits is 1866240000, while the sum is 69.

The spelling of 56665583324385 in words is "fifty-six trillion, six hundred sixty-five billion, five hundred eighty-three million, three hundred twenty-four thousand, three hundred eighty-five".