5511000656 has 40 divisors (see below), whose sum is σ = 12208665024. Its totient is φ = 2360747520.

The previous prime is 5511000641. The next prime is 5511000689. The reversal of 5511000656 is 6560001155.

It is a super-2 number, since 2×5511000656² = 60742256460864860672, 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 7 ways as a sum of consecutive naturals, for example, 255176 + ... + 275928.

Almost surely, 2^5511000656 is an apocalyptic number.

5511000656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5511000656 is an abundant number, since it is smaller than the sum of its proper divisors (6697664368).

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

5511000656 is a wasteful number, since it uses less digits than its factorization.

5511000656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23139 (or 23133 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 5511000656 is about 74236.1142302047. The cubic root of 5511000656 is about 1766.3502368758.

The spelling of 5511000656 in words is "five billion, five hundred eleven million, six hundred fifty-six", and thus it is an aban number.