11186238834 has 80 divisors (see below), whose sum is σ = 25916875776. Its totient is φ = 3602491200.

The previous prime is 11186238829. The next prime is 11186238841. The reversal of 11186238834 is 43883268111.

11186238834 is a `hidden beast` number, since 1 + 1 + 18 + 623 + 8 + 8 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11186238834.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3820279 + ... + 3823205.

Almost surely, 2^11186238834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11186238834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12958437888).

11186238834 is an abundant number, since it is smaller than the sum of its proper divisors (14730636942).

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

11186238834 is a wasteful number, since it uses less digits than its factorization.

11186238834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733 (or 3724 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The spelling of 11186238834 in words is "eleven billion, one hundred eighty-six million, two hundred thirty-eight thousand, eight hundred thirty-four".