56031574451171 has 16 divisors (see below), whose sum is σ = 61307770503168. Its totient is φ = 50785880212800.

The previous prime is 56031574451081. The next prime is 56031574451201. The reversal of 56031574451171 is 17115447513065.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56031574451171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56031574456171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8845511 + ... + 13795151.

It is an arithmetic number, because the mean of its divisors is an integer number (3831735656448).

Almost surely, 2^{56031574451171} is an apocalyptic number.

56031574451171 is a deficient number, since it is larger than the sum of its proper divisors (5276196051997).

56031574451171 is a wasteful number, since it uses less digits than its factorization.

56031574451171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952722.

The product of its (nonzero) digits is 1764000, while the sum is 50.

The spelling of 56031574451171 in words is "fifty-six trillion, thirty-one billion, five hundred seventy-four million, four hundred fifty-one thousand, one hundred seventy-one".