11912102255808 has 672 divisors, whose sum is σ = 37024101354240. Its totient is φ = 3654091284480.

The previous prime is 11912102255797. The next prime is 11912102255827. The reversal of 11912102255808 is 80855220121911.

11912102255808 is a `hidden beast` number, since 1 + 1 + 91 + 2 + 1 + 0 + 2 + 2 + 558 + 0 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8032435035 + ... + 8032436517.

It is an arithmetic number, because the mean of its divisors is an integer number (55095388920).

Almost surely, 2^{11912102255808} is an apocalyptic number.

11912102255808 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 11912102255808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18512050677120).

11912102255808 is an abundant number, since it is smaller than the sum of its proper divisors (25111999098432).

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

11912102255808 is a wasteful number, since it uses less digits than its factorization.

11912102255808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 45.

The spelling of 11912102255808 in words is "eleven trillion, nine hundred twelve billion, one hundred two million, two hundred fifty-five thousand, eight hundred eight".