11955787234 has 24 divisors (see below), whose sum is σ = 19118235888. Its totient is φ = 5606295360.

The previous prime is 11955787229. The next prime is 11955787243. The reversal of 11955787234 is 43278755911.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127029 + ... + 200119.

It is an arithmetic number, because the mean of its divisors is an integer number (796593162).

Almost surely, 2^11955787234 is an apocalyptic number.

11955787234 is a deficient number, since it is larger than the sum of its proper divisors (7162448654).

11955787234 is a wasteful number, since it uses less digits than its factorization.

11955787234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73410 (or 73393 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 52.

The spelling of 11955787234 in words is "eleven billion, nine hundred fifty-five million, seven hundred eighty-seven thousand, two hundred thirty-four".