11122711664 has 20 divisors (see below), whose sum is σ = 21554324304. Its totient is φ = 5560305408.

The previous prime is 11122711661. The next prime is 11122711679. The reversal of 11122711664 is 46611722111.

It is a self number, because there is not a number n which added to its sum of digits gives 11122711664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122711661) 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, 25544 + ... + 151320.

Almost surely, 2^11122711664 is an apocalyptic number.

It is an amenable number.

11122711664 is a deficient number, since it is larger than the sum of its proper divisors (10431612640).

11122711664 is a wasteful number, since it uses less digits than its factorization.

11122711664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131312 (or 131306 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The spelling of 11122711664 in words is "eleven billion, one hundred twenty-two million, seven hundred eleven thousand, six hundred sixty-four".