11974575600 has 960 divisors, whose sum is σ = 50565513600. Its totient is φ = 2663055360.

The previous prime is 11974575563. The next prime is 11974575611. The reversal of 11974575600 is 657547911.

11974575600 is a `hidden beast` number, since 1 + 1 + 9 + 74 + 575 + 6 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 69217114 + ... + 69217286.

It is an arithmetic number, because the mean of its divisors is an integer number (52672410).

Almost surely, 2^11974575600 is an apocalyptic number.

11974575600 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 11974575600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25282756800).

11974575600 is an abundant number, since it is smaller than the sum of its proper divisors (38590938000).

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

11974575600 is a wasteful number, since it uses less digits than its factorization.

11974575600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The spelling of 11974575600 in words is "eleven billion, nine hundred seventy-four million, five hundred seventy-five thousand, six hundred".