5111382856 has 8 divisors (see below), whose sum is σ = 9583842870. Its totient is φ = 2555691424.

The previous prime is 5111382853. The next prime is 5111382883. The reversal of 5111382856 is 6582831115.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2963060356 + 2148322500 = 54434^2 + 46350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×5111382856² = 52252469401221433472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5111382853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319461421 + ... + 319461436.

Almost surely, 2^5111382856 is an apocalyptic number.

It is an amenable number.

5111382856 is a deficient number, since it is larger than the sum of its proper divisors (4472460014).

5111382856 is a wasteful number, since it uses less digits than its factorization.

5111382856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638922863 (or 638922859 counting only the distinct ones).

The product of its digits is 57600, while the sum is 40.

The square root of 5111382856 is about 71493.9357987795. The cubic root of 5111382856 is about 1722.5802781223.

The spelling of 5111382856 in words is "five billion, one hundred eleven million, three hundred eighty-two thousand, eight hundred fifty-six".