56156206101571 has 4 divisors (see below), whose sum is σ = 56156221614600. Its totient is φ = 56156190588544.

The previous prime is 56156206101553. The next prime is 56156206101577. The reversal of 56156206101571 is 17510160265165.

56156206101571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56156206101571 - 2²³ = 56156197712963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56156206101577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875520 + ... + 10633858.

It is an arithmetic number, because the mean of its divisors is an integer number (14039055403650).

Almost surely, 2^{56156206101571} is an apocalyptic number.

56156206101571 is a deficient number, since it is larger than the sum of its proper divisors (15513029).

56156206101571 is an equidigital number, since it uses as much as digits as its factorization.

56156206101571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15513028.

The product of its (nonzero) digits is 378000, while the sum is 46.

The spelling of 56156206101571 in words is "fifty-six trillion, one hundred fifty-six billion, two hundred six million, one hundred one thousand, five hundred seventy-one".