56711501111 has 8 divisors (see below), whose sum is σ = 57373714800. Its totient is φ = 56051262400.

The previous prime is 56711501071. The next prime is 56711501159. The reversal of 56711501111 is 11110511765.

56711501111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56711501111 - 2⁶ = 56711501047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56711501911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435941 + ... + 550878.

It is an arithmetic number, because the mean of its divisors is an integer number (7171714350).

Almost surely, 2^56711501111 is an apocalyptic number.

56711501111 is a deficient number, since it is larger than the sum of its proper divisors (662213689).

56711501111 is a wasteful number, since it uses less digits than its factorization.

56711501111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987489.

The product of its (nonzero) digits is 1050, while the sum is 29.

The spelling of 56711501111 in words is "fifty-six billion, seven hundred eleven million, five hundred one thousand, one hundred eleven".