11914321374 has 64 divisors (see below), whose sum is σ = 27889632000. Its totient is φ = 3759734880.

The previous prime is 11914321373. The next prime is 11914321381. The reversal of 11914321374 is 47312341911.

It is a happy number.

11914321374 is a `hidden beast` number, since 1 + 1 + 91 + 432 + 137 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11914321373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1832269 + ... + 1838759.

It is an arithmetic number, because the mean of its divisors is an integer number (435775500).

Almost surely, 2^11914321374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11914321374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13944816000).

11914321374 is an abundant number, since it is smaller than the sum of its proper divisors (15975310626).

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

11914321374 is a wasteful number, since it uses less digits than its factorization.

11914321374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310 (or 8304 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The spelling of 11914321374 in words is "eleven billion, nine hundred fourteen million, three hundred twenty-one thousand, three hundred seventy-four".