11884475840 has 28 divisors (see below), whose sum is σ = 28299908856. Its totient is φ = 4753790208.

The previous prime is 11884475831. The next prime is 11884475881. The reversal of 11884475840 is 4857448811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18569174 + ... + 18569813.

Almost surely, 2^11884475840 is an apocalyptic number.

11884475840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11884475840 is an abundant number, since it is smaller than the sum of its proper divisors (16415433016).

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

11884475840 is an equidigital number, since it uses as much as digits as its factorization.

11884475840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37139004 (or 37138994 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 50.

The spelling of 11884475840 in words is "eleven billion, eight hundred eighty-four million, four hundred seventy-five thousand, eight hundred forty".