12369111156 has 72 divisors (see below), whose sum is σ = 32722129440. Its totient is φ = 4085176032.

The previous prime is 12369111149. The next prime is 12369111163. The reversal of 12369111156 is 65111196321.

It is an interprime number because it is at equal distance from previous prime (12369111149) and next prime (12369111163).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12369111156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47575 + ... + 164321.

It is an arithmetic number, because the mean of its divisors is an integer number (454474020).

Almost surely, 2^12369111156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12369111156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16361064720).

12369111156 is an abundant number, since it is smaller than the sum of its proper divisors (20353018284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12369111156 is a wasteful number, since it uses less digits than its factorization.

12369111156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116875 (or 116861 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The spelling of 12369111156 in words is "twelve billion, three hundred sixty-nine million, one hundred eleven thousand, one hundred fifty-six".