11044290657 has 4 divisors (see below), whose sum is σ = 14725720880. Its totient is φ = 7362860436.

The previous prime is 11044290623. The next prime is 11044290709. The reversal of 11044290657 is 75609244011.

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 de Polignac number, because none of the positive numbers 2^k-11044290657 is a prime.

It is a super-2 number, since 2×11044290657² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11044292657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840715107 + ... + 1840715112.

It is an arithmetic number, because the mean of its divisors is an integer number (3681430220).

Almost surely, 2^11044290657 is an apocalyptic number.

It is an amenable number.

11044290657 is a deficient number, since it is larger than the sum of its proper divisors (3681430223).

11044290657 is an equidigital number, since it uses as much as digits as its factorization.

11044290657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681430222.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 11044290657 in words is "eleven billion, forty-four million, two hundred ninety thousand, six hundred fifty-seven".