13088232556 has 24 divisors (see below), whose sum is σ = 27079103520. Its totient is φ = 5415820032.

The previous prime is 13088232511. The next prime is 13088232559. The reversal of 13088232556 is 65523288031.

It is not an unprimeable number, because it can be changed into a prime (13088232559) 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, 8058445 + ... + 8060068.

It is an arithmetic number, because the mean of its divisors is an integer number (1128295980).

Almost surely, 2^13088232556 is an apocalyptic number.

It is an amenable number.

13088232556 is an abundant number, since it is smaller than the sum of its proper divisors (13990870964).

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

13088232556 is a wasteful number, since it uses less digits than its factorization.

13088232556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16118553 (or 16118551 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 13088232556 in words is "thirteen billion, eighty-eight million, two hundred thirty-two thousand, five hundred fifty-six".