5111005556 has 12 divisors (see below), whose sum is σ = 8958999168. Its totient is φ = 2551291512.

The previous prime is 5111005507. The next prime is 5111005573. The reversal of 5111005556 is 6555001115.

It is a happy number.

It is a super-2 number, since 2×5111005556² = 52244755586925738272, 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 3 ways as a sum of consecutive naturals, for example, 1050086 + ... + 1054941.

It is an arithmetic number, because the mean of its divisors is an integer number (746583264).

Almost surely, 2^5111005556 is an apocalyptic number.

It is an amenable number.

5111005556 is a deficient number, since it is larger than the sum of its proper divisors (3847993612).

5111005556 is a wasteful number, since it uses less digits than its factorization.

5111005556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105638 (or 2105636 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 5111005556 is about 71491.2970647477. The cubic root of 5111005556 is about 1722.5378926238.

The spelling of 5111005556 in words is "five billion, one hundred eleven million, five thousand, five hundred fifty-six".