11859036516 has 18 divisors (see below), whose sum is σ = 29977009062. Its totient is φ = 3953012160.

The previous prime is 11859036491. The next prime is 11859036547. The reversal of 11859036516 is 61563095811.

11859036516 is a `hidden beast` number, since 1 + 1 + 8 + 590 + 3 + 6 + 51 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11767910400 + 91126116 = 108480^2 + 9546^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164708805 + ... + 164708876.

Almost surely, 2^11859036516 is an apocalyptic number.

It is an amenable number.

11859036516 is an abundant number, since it is smaller than the sum of its proper divisors (18117972546).

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

11859036516 is a wasteful number, since it uses less digits than its factorization.

11859036516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329417691 (or 329417686 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 11859036516 in words is "eleven billion, eight hundred fifty-nine million, thirty-six thousand, five hundred sixteen".