11974774320 has 300 divisors, whose sum is σ = 43902904320. Its totient is φ = 3024615168.

The previous prime is 11974774319. The next prime is 11974774369. The reversal of 11974774320 is 2347747911.

11974774320 is a `hidden beast` number, since 119 + 7 + 477 + 43 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2336721 + ... + 2341839.

Almost surely, 2^11974774320 is an apocalyptic number.

11974774320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11974774320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21951452160).

11974774320 is an abundant number, since it is smaller than the sum of its proper divisors (31928130000).

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

11974774320 is a wasteful number, since it uses less digits than its factorization.

11974774320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182 (or 5148 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 11974774320 in words is "eleven billion, nine hundred seventy-four million, seven hundred seventy-four thousand, three hundred twenty".