5571115256 has 32 divisors (see below), whose sum is σ = 11940588000. Its totient is φ = 2387124096.

The previous prime is 5571115213. The next prime is 5571115259. The reversal of 5571115256 is 6525111755.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5571115259) 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, 418430 + ... + 431538.

It is an arithmetic number, because the mean of its divisors is an integer number (373143375).

Almost surely, 2^5571115256 is an apocalyptic number.

5571115256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5571115256 is an abundant number, since it is smaller than the sum of its proper divisors (6369472744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5571115256 is a wasteful number, since it uses less digits than its factorization.

5571115256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20711 (or 20707 counting only the distinct ones).

The product of its digits is 52500, while the sum is 38.

The square root of 5571115256 is about 74639.9039120496. The cubic root of 5571115256 is about 1772.7495389577.

The spelling of 5571115256 in words is "five billion, five hundred seventy-one million, one hundred fifteen thousand, two hundred fifty-six".