11965914318 has 16 divisors (see below), whose sum is σ = 23933011536. Its totient is φ = 3988440960.

The previous prime is 11965914307. The next prime is 11965914343. The reversal of 11965914318 is 81341956911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135528 + ... + 205668.

It is an arithmetic number, because the mean of its divisors is an integer number (1495813221).

Almost surely, 2^11965914318 is an apocalyptic number.

11965914318 is an abundant number, since it is smaller than the sum of its proper divisors (11967097218).

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

11965914318 is a wasteful number, since it uses less digits than its factorization.

11965914318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98579.

The product of its digits is 233280, while the sum is 48.

The spelling of 11965914318 in words is "eleven billion, nine hundred sixty-five million, nine hundred fourteen thousand, three hundred eighteen".