11913395312 has 80 divisors (see below), whose sum is σ = 29013476352. Its totient is φ = 4612688640.

The previous prime is 11913395287. The next prime is 11913395327. The reversal of 11913395312 is 21359331911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18614 + ... + 155477.

Almost surely, 2^11913395312 is an apocalyptic number.

It is an amenable number.

11913395312 is an abundant number, since it is smaller than the sum of its proper divisors (17100081040).

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

11913395312 is a wasteful number, since it uses less digits than its factorization.

11913395312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174166 (or 174160 counting only the distinct ones).

The product of its digits is 21870, while the sum is 38.

The spelling of 11913395312 in words is "eleven billion, nine hundred thirteen million, three hundred ninety-five thousand, three hundred twelve".