13264304615261 has 32 divisors (see below), whose sum is σ = 15510221280000. Its totient is φ = 11338809221376.

The previous prime is 13264304615231. The next prime is 13264304615299. The reversal of 13264304615261 is 16251640346231.

It is not a de Polignac number, because 13264304615261 - 2¹⁰ = 13264304614237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13264304615231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 733271105 + ... + 733289193.

It is an arithmetic number, because the mean of its divisors is an integer number (484694415000).

Almost surely, 2^{13264304615261} is an apocalyptic number.

It is an amenable number.

13264304615261 is a deficient number, since it is larger than the sum of its proper divisors (2245916664739).

13264304615261 is an equidigital number, since it uses as much as digits as its factorization.

13264304615261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23746 (or 23732 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 13264304615261 in words is "thirteen trillion, two hundred sixty-four billion, three hundred four million, six hundred fifteen thousand, two hundred sixty-one".