11500086 has 32 divisors (see below), whose sum is σ = 25185888. Its totient is φ = 3479040.

The previous prime is 11500079. The next prime is 11500087. The reversal of 11500086 is 68000511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11500087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3550 + ... + 5966.

It is an arithmetic number, because the mean of its divisors is an integer number (787059).

Almost surely, 2^11500086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11500086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12592944).

11500086 is an abundant number, since it is smaller than the sum of its proper divisors (13685802).

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

11500086 is a wasteful number, since it uses less digits than its factorization.

11500086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 11500086 is about 3391.1776715472. The cubic root of 11500086 is about 225.7184344313.

Adding to 11500086 its reverse (68000511), we get a palindrome (79500597).

The spelling of 11500086 in words is "eleven million, five hundred thousand, eighty-six".