13261232320054 has 16 divisors (see below), whose sum is σ = 19932538041792. Its totient is φ = 6617064246408.

The previous prime is 13261232320043. The next prime is 13261232320073. The reversal of 13261232320054 is 45002323216231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463584 + ... + 5170819.

It is an arithmetic number, because the mean of its divisors is an integer number (1245783627612).

Almost surely, 2^{13261232320054} is an apocalyptic number.

13261232320054 is a deficient number, since it is larger than the sum of its proper divisors (6671305721738).

13261232320054 is a wasteful number, since it uses less digits than its factorization.

13261232320054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5636811.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 13261232320054 its reverse (45002323216231), we get a palindrome (58263555536285).

The spelling of 13261232320054 in words is "thirteen trillion, two hundred sixty-one billion, two hundred thirty-two million, three hundred twenty thousand, fifty-four".