13231776552 has 16 divisors (see below), whose sum is σ = 33079441440. Its totient is φ = 4410592176.

The previous prime is 13231776527. The next prime is 13231776557. The reversal of 13231776552 is 25567713231.

It is not an unprimeable number, because it can be changed into a prime (13231776557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275661988 + ... + 275662035.

It is an arithmetic number, because the mean of its divisors is an integer number (2067465090).

Almost surely, 2^13231776552 is an apocalyptic number.

13231776552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13231776552 is an abundant number, since it is smaller than the sum of its proper divisors (19847664888).

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

13231776552 is a wasteful number, since it uses less digits than its factorization.

13231776552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551324032 (or 551324028 counting only the distinct ones).

The product of its digits is 264600, while the sum is 42.

The spelling of 13231776552 in words is "thirteen billion, two hundred thirty-one million, seven hundred seventy-six thousand, five hundred fifty-two".