11559015216 has 120 divisors (see below), whose sum is σ = 37177620480. Its totient is φ = 3284074368.

The previous prime is 11559015211. The next prime is 11559015239. The reversal of 11559015216 is 61251095511.

11559015216 is a `hidden beast` number, since 1 + 1 + 5 + 590 + 1 + 52 + 16 = 666.

It is a super-2 number, since 2×11559015216² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11559015211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148401 + ... + 212463.

It is an arithmetic number, because the mean of its divisors is an integer number (309813504).

Almost surely, 2^11559015216 is an apocalyptic number.

11559015216 is a gapful number since it is divisible by the number (16) 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 11559015216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18588810240).

11559015216 is an abundant number, since it is smaller than the sum of its proper divisors (25618605264).

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

11559015216 is a wasteful number, since it uses less digits than its factorization.

11559015216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64263 (or 64254 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 36.

The spelling of 11559015216 in words is "eleven billion, five hundred fifty-nine million, fifteen thousand, two hundred sixteen".