11871603600 has 60 divisors (see below), whose sum is σ = 38028707376. Its totient is φ = 3165760640.

The previous prime is 11871603563. The next prime is 11871603619. The reversal of 11871603600 is 630617811.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4945302 + ... + 4947701.

Almost surely, 2^11871603600 is an apocalyptic number.

11871603600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11871603600 is an abundant number, since it is smaller than the sum of its proper divisors (26157103776).

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

11871603600 is a wasteful number, since it uses less digits than its factorization.

11871603600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9893024 (or 9893013 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The spelling of 11871603600 in words is "eleven billion, eight hundred seventy-one million, six hundred three thousand, six hundred".