5311156656 has 80 divisors (see below), whose sum is σ = 14832550656. Its totient is φ = 1627938048.

The previous prime is 5311156639. The next prime is 5311156661. The reversal of 5311156656 is 6566511135.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 147931 + ... + 180293.

Almost surely, 2^5311156656 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 5311156656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7416275328).

5311156656 is an abundant number, since it is smaller than the sum of its proper divisors (9521394000).

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

5311156656 is a wasteful number, since it uses less digits than its factorization.

5311156656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32650 (or 32644 counting only the distinct ones).

The product of its digits is 81000, while the sum is 39.

The square root of 5311156656 is about 72877.6828391244. The cubic root of 5311156656 is about 1744.7359261917.

The spelling of 5311156656 in words is "five billion, three hundred eleven million, one hundred fifty-six thousand, six hundred fifty-six".