2551123532 has 24 divisors (see below), whose sum is σ = 4510066176. Its totient is φ = 1262554128.

The previous prime is 2551123511. The next prime is 2551123543. The reversal of 2551123532 is 2353211552.

It is a junction number, because it is equal to n+sod(n) for n = 2551123495 and 2551123504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761453 + ... + 764795.

It is an arithmetic number, because the mean of its divisors is an integer number (187919424).

Almost surely, 2^2551123532 is an apocalyptic number.

It is an amenable number.

2551123532 is a deficient number, since it is larger than the sum of its proper divisors (1958942644).

2551123532 is a wasteful number, since it uses less digits than its factorization.

2551123532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237 (or 5235 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 2551123532 is about 50508.6480911933. The cubic root of 2551123532 is about 1366.3978277728.

The spelling of 2551123532 in words is "two billion, five hundred fifty-one million, one hundred twenty-three thousand, five hundred thirty-two".