11811318422 has 16 divisors (see below), whose sum is σ = 18656276400. Its totient is φ = 5592787200.

The previous prime is 11811318419. The next prime is 11811318439. The reversal of 11811318422 is 22481311811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50954 + ... + 161922.

It is an arithmetic number, because the mean of its divisors is an integer number (1166017275).

Almost surely, 2^11811318422 is an apocalyptic number.

11811318422 is a deficient number, since it is larger than the sum of its proper divisors (6844957978).

11811318422 is a wasteful number, since it uses less digits than its factorization.

11811318422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113791.

The product of its digits is 3072, while the sum is 32.

The spelling of 11811318422 in words is "eleven billion, eight hundred eleven million, three hundred eighteen thousand, four hundred twenty-two".