11599147872 has 144 divisors (see below), whose sum is σ = 37612149120. Its totient is φ = 3359010816.

The previous prime is 11599147867. The next prime is 11599147883. The reversal of 11599147872 is 27874199511.

11599147872 is a `hidden beast` number, since 1 + 1 + 599 + 1 + 47 + 8 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

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, 27472 + ... + 154767.

It is an arithmetic number, because the mean of its divisors is an integer number (261195480).

Almost surely, 2^11599147872 is an apocalyptic number.

11599147872 is a gapful number since it is divisible by the number (12) 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 11599147872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18806074560).

11599147872 is an abundant number, since it is smaller than the sum of its proper divisors (26013001248).

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

11599147872 is a wasteful number, since it uses less digits than its factorization.

11599147872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182285 (or 182274 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 54.

The spelling of 11599147872 in words is "eleven billion, five hundred ninety-nine million, one hundred forty-seven thousand, eight hundred seventy-two".