13232181955 has 4 divisors (see below), whose sum is σ = 15878618352. Its totient is φ = 10585745560.

The previous prime is 13232181917. The next prime is 13232181961. The reversal of 13232181955 is 55918123231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55918123231 = 7451 ⋅7504781.

It is not a de Polignac number, because 13232181955 - 2¹¹ = 13232179907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323218191 + ... + 1323218200.

It is an arithmetic number, because the mean of its divisors is an integer number (3969654588).

Almost surely, 2^13232181955 is an apocalyptic number.

13232181955 is a deficient number, since it is larger than the sum of its proper divisors (2646436397).

13232181955 is an equidigital number, since it uses as much as digits as its factorization.

13232181955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646436396.

The product of its digits is 64800, while the sum is 40.

The spelling of 13232181955 in words is "thirteen billion, two hundred thirty-two million, one hundred eighty-one thousand, nine hundred fifty-five".