11181864150 has 144 divisors (see below), whose sum is σ = 30633758064. Its totient is φ = 2923683840.

The previous prime is 11181864149. The next prime is 11181864193. The reversal of 11181864150 is 5146818111.

11181864150 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 1 + 8 + 641 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4931317 + ... + 4933583.

It is an arithmetic number, because the mean of its divisors is an integer number (212734431).

Almost surely, 2^11181864150 is an apocalyptic number.

11181864150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11181864150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15316879032).

11181864150 is an abundant number, since it is smaller than the sum of its proper divisors (19451893914).

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

11181864150 is a wasteful number, since it uses less digits than its factorization.

11181864150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2487 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 36.

The spelling of 11181864150 in words is "eleven billion, one hundred eighty-one million, eight hundred sixty-four thousand, one hundred fifty".