264577441811 has 4 divisors (see below), whose sum is σ = 266508664152. Its totient is φ = 262646219472.

The previous prime is 264577441789. The next prime is 264577441819. The reversal of 264577441811 is 118144775462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264577441811 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 264577441811.

It is not an unprimeable number, because it can be changed into a prime (264577441819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965610965 + ... + 965611238.

It is an arithmetic number, because the mean of its divisors is an integer number (66627166038).

Almost surely, 2^264577441811 is an apocalyptic number.

264577441811 is a deficient number, since it is larger than the sum of its proper divisors (1931222341).

264577441811 is a wasteful number, since it uses less digits than its factorization.

264577441811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931222340.

The product of its digits is 1505280, while the sum is 50.

The spelling of 264577441811 in words is "two hundred sixty-four billion, five hundred seventy-seven million, four hundred forty-one thousand, eight hundred eleven".