5111864256 has 112 divisors (see below), whose sum is σ = 13893320448. Its totient is φ = 1657804800.

The previous prime is 5111864239. The next prime is 5111864267. The reversal of 5111864256 is 6524681115.

It is a super-2 number, since 2×5111864256² = 52262312343540867072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3958971 + ... + 3960261.

It is an arithmetic number, because the mean of its divisors is an integer number (124047504).

Almost surely, 2^5111864256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5111864256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6946660224).

5111864256 is an abundant number, since it is smaller than the sum of its proper divisors (8781456192).

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

5111864256 is a wasteful number, since it uses less digits than its factorization.

5111864256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1840 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 5111864256 is about 71497.3024386235. The cubic root of 5111864256 is about 1722.6343550807.

The spelling of 5111864256 in words is "five billion, one hundred eleven million, eight hundred sixty-four thousand, two hundred fifty-six".