5261255656 has 32 divisors (see below), whose sum is σ = 10012541760. Its totient is φ = 2591511552.

The previous prime is 5261255651. The next prime is 5261255677. The reversal of 5261255656 is 6565521625.

It is a super-2 number, since 2×5261255656² = 55361622155583980672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5261255651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142491 + ... + 175573.

It is an arithmetic number, because the mean of its divisors is an integer number (312891930).

Almost surely, 2^5261255656 is an apocalyptic number.

It is an amenable number.

5261255656 is a deficient number, since it is larger than the sum of its proper divisors (4751286104).

5261255656 is a wasteful number, since it uses less digits than its factorization.

5261255656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33385 (or 33381 counting only the distinct ones).

The product of its digits is 540000, while the sum is 43.

The square root of 5261255656 is about 72534.5135504471. The cubic root of 5261255656 is about 1739.2544980930.

The spelling of 5261255656 in words is "five billion, two hundred sixty-one million, two hundred fifty-five thousand, six hundred fifty-six".