13111111321192 has 32 divisors (see below), whose sum is σ = 24594809659200. Its totient is φ = 6552496080000.

The previous prime is 13111111321169. The next prime is 13111111321193. The reversal of 13111111321192 is 29112311111131.

It is a self number, because there is not a number n which added to its sum of digits gives 13111111321192.

It is not an unprimeable number, because it can be changed into a prime (13111111321193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178664284 + ... + 178737652.

It is an arithmetic number, because the mean of its divisors is an integer number (768587801850).

Almost surely, 2^{13111111321192} is an apocalyptic number.

It is an amenable number.

13111111321192 is a deficient number, since it is larger than the sum of its proper divisors (11483698338008).

13111111321192 is a wasteful number, since it uses less digits than its factorization.

13111111321192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83497 (or 83493 counting only the distinct ones).

The product of its digits is 324, while the sum is 28.

The spelling of 13111111321192 in words is "thirteen trillion, one hundred eleven billion, one hundred eleven million, three hundred twenty-one thousand, one hundred ninety-two".