11893699312 has 20 divisors (see below), whose sum is σ = 25138955736. Its totient is φ = 5406226880.

The previous prime is 11893699291. The next prime is 11893699339. The reversal of 11893699312 is 21399639811.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11893699312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33788743 + ... + 33789094.

Almost surely, 2^11893699312 is an apocalyptic number.

It is an amenable number.

11893699312 is an abundant number, since it is smaller than the sum of its proper divisors (13245256424).

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

11893699312 is a wasteful number, since it uses less digits than its factorization.

11893699312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67577856 (or 67577850 counting only the distinct ones).

The product of its digits is 629856, while the sum is 52.

The spelling of 11893699312 in words is "eleven billion, eight hundred ninety-three million, six hundred ninety-nine thousand, three hundred twelve".