11183913212 has 12 divisors (see below), whose sum is σ = 19696510680. Its totient is φ = 5556338736.

The previous prime is 11183913187. The next prime is 11183913217. The reversal of 11183913212 is 21231938111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11183913217) 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, 8903762 + ... + 8905017.

It is an arithmetic number, because the mean of its divisors is an integer number (1641375890).

Almost surely, 2^11183913212 is an apocalyptic number.

It is an amenable number.

11183913212 is a deficient number, since it is larger than the sum of its proper divisors (8512597468).

11183913212 is a wasteful number, since it uses less digits than its factorization.

11183913212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17808940 (or 17808938 counting only the distinct ones).

The product of its digits is 2592, while the sum is 32.

The spelling of 11183913212 in words is "eleven billion, one hundred eighty-three million, nine hundred thirteen thousand, two hundred twelve".