11338722868 has 12 divisors (see below), whose sum is σ = 21646652832. Its totient is φ = 5153964920.

The previous prime is 11338722821. The next prime is 11338722869. The reversal of 11338722868 is 86822783311.

It is a super-2 number, since 2×11338722868² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11338722869) 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, 128849080 + ... + 128849167.

It is an arithmetic number, because the mean of its divisors is an integer number (1803887736).

Almost surely, 2^11338722868 is an apocalyptic number.

It is an amenable number.

11338722868 is a deficient number, since it is larger than the sum of its proper divisors (10307929964).

11338722868 is a wasteful number, since it uses less digits than its factorization.

11338722868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257698262 (or 257698260 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The spelling of 11338722868 in words is "eleven billion, three hundred thirty-eight million, seven hundred twenty-two thousand, eight hundred sixty-eight".