264445261641311 has 4 divisors (see below), whose sum is σ = 264445752222000. Its totient is φ = 264444771060624.

The previous prime is 264445261641307. The next prime is 264445261641361. The reversal of 264445261641311 is 113146162544462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 264445261641311 - 2² = 264445261641307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264445261641311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264445261641361) 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, 244480886 + ... + 245560163.

It is an arithmetic number, because the mean of its divisors is an integer number (66111438055500).

Almost surely, 2^{264445261641311} is an apocalyptic number.

264445261641311 is a deficient number, since it is larger than the sum of its proper divisors (490580689).

264445261641311 is an equidigital number, since it uses as much as digits as its factorization.

264445261641311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490580688.

The product of its digits is 3317760, while the sum is 50.

The spelling of 264445261641311 in words is "two hundred sixty-four trillion, four hundred forty-five billion, two hundred sixty-one million, six hundred forty-one thousand, three hundred eleven".