11913124608 has 648 divisors, whose sum is σ = 44656584336. Its totient is φ = 3019161600.

The previous prime is 11913124607. The next prime is 11913124631. The reversal of 11913124608 is 80642131911.

11913124608 is a `hidden beast` number, since 1 + 19 + 1 + 31 + 2 + 4 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11913124607) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 65818278 + ... + 65818458.

It is an arithmetic number, because the mean of its divisors is an integer number (68914482).

Almost surely, 2^11913124608 is an apocalyptic number.

11913124608 is a gapful number since it is divisible by the number (18) 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 11913124608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22328292168).

11913124608 is an abundant number, since it is smaller than the sum of its proper divisors (32743459728).

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

11913124608 is a wasteful number, since it uses less digits than its factorization.

11913124608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 11913124608 in words is "eleven billion, nine hundred thirteen million, one hundred twenty-four thousand, six hundred eight".