11188002000 has 160 divisors (see below), whose sum is σ = 41223147264. Its totient is φ = 2557248000.

The previous prime is 11188001983. The next prime is 11188002029. The reversal of 11188002000 is 20088111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91191 + ... + 175190.

Almost surely, 2^11188002000 is an apocalyptic number.

11188002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11188002000 is an abundant number, since it is smaller than the sum of its proper divisors (30035145264).

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

11188002000 is a wasteful number, since it uses less digits than its factorization.

11188002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266414 (or 266398 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The spelling of 11188002000 in words is "eleven billion, one hundred eighty-eight million, two thousand".