11915295994 has 24 divisors (see below), whose sum is σ = 20798579520. Its totient is φ = 5104687896.

The previous prime is 11915295929. The next prime is 11915296007. The reversal of 11915295994 is 49959251911.

It is a happy number.

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, 266077 + ... + 307615.

It is an arithmetic number, because the mean of its divisors is an integer number (866607480).

Almost surely, 2^11915295994 is an apocalyptic number.

11915295994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11915295994 is a deficient number, since it is larger than the sum of its proper divisors (8883283526).

11915295994 is a wasteful number, since it uses less digits than its factorization.

11915295994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44482 (or 44475 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 55.

The spelling of 11915295994 in words is "eleven billion, nine hundred fifteen million, two hundred ninety-five thousand, nine hundred ninety-four".