11264622661 has 4 divisors (see below), whose sum is σ = 11296000800. Its totient is φ = 11233244524.

The previous prime is 11264622653. The next prime is 11264622683. The reversal of 11264622661 is 16622646211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11264622661 - 2³ = 11264622653 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 11264622661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11264622601) 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, 15688531 + ... + 15689248.

It is an arithmetic number, because the mean of its divisors is an integer number (2824000200).

Almost surely, 2^11264622661 is an apocalyptic number.

It is an amenable number.

11264622661 is a deficient number, since it is larger than the sum of its proper divisors (31378139).

11264622661 is an equidigital number, since it uses as much as digits as its factorization.

11264622661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31378138.

The product of its digits is 41472, while the sum is 37.

The spelling of 11264622661 in words is "eleven billion, two hundred sixty-four million, six hundred twenty-two thousand, six hundred sixty-one".