56671712151707 has 4 divisors (see below), whose sum is σ = 60005342278296. Its totient is φ = 53338082025120.

The previous prime is 56671712151701. The next prime is 56671712151731. The reversal of 56671712151707 is 70715121717665.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56671712151707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56671712151701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666815063269 + ... + 1666815063302.

It is an arithmetic number, because the mean of its divisors is an integer number (15001335569574).

Almost surely, 2^{56671712151707} is an apocalyptic number.

56671712151707 is a deficient number, since it is larger than the sum of its proper divisors (3333630126589).

56671712151707 is a wasteful number, since it uses less digits than its factorization.

56671712151707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333630126588.

The product of its (nonzero) digits is 4321800, while the sum is 56.

The spelling of 56671712151707 in words is "fifty-six trillion, six hundred seventy-one billion, seven hundred twelve million, one hundred fifty-one thousand, seven hundred seven".