11640216250 has 40 divisors (see below), whose sum is σ = 23496794244. Its totient is φ = 4297920000.

The previous prime is 11640216223. The next prime is 11640216281. The reversal of 11640216250 is 5261204611.

It can be written as a sum of positive squares in 10 ways, for example, as 5666626729 + 5973589521 = 75277^2 + 77289^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 341911 + ... + 374410.

Almost surely, 2^11640216250 is an apocalyptic number.

11640216250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11640216250 is an abundant number, since it is smaller than the sum of its proper divisors (11856577994).

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

11640216250 is an equidigital number, since it uses as much as digits as its factorization.

11640216250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716356 (or 716341 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 11640216250 in words is "eleven billion, six hundred forty million, two hundred sixteen thousand, two hundred fifty".