11408645808 has 120 divisors (see below), whose sum is σ = 36517448448. Its totient is φ = 3257122176.

The previous prime is 11408645783. The next prime is 11408645813. The reversal of 11408645808 is 80854680411.

11408645808 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 8 + 64 + 580 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1616335 + ... + 1623377.

Almost surely, 2^11408645808 is an apocalyptic number.

11408645808 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 11408645808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18258724224).

11408645808 is an abundant number, since it is smaller than the sum of its proper divisors (25108802640).

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

11408645808 is a wasteful number, since it uses less digits than its factorization.

11408645808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8671 (or 8662 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 11408645808 in words is "eleven billion, four hundred eight million, six hundred forty-five thousand, eight hundred eight".