11140322520 has 64 divisors (see below), whose sum is σ = 33437733120. Its totient is φ = 2969262464.

The previous prime is 11140322509. The next prime is 11140322549. The reversal of 11140322520 is 2522304111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228199 + ... + 272681.

It is an arithmetic number, because the mean of its divisors is an integer number (522464580).

Almost surely, 2^11140322520 is an apocalyptic number.

11140322520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11140322520 is an abundant number, since it is smaller than the sum of its proper divisors (22297410600).

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

11140322520 is a wasteful number, since it uses less digits than its factorization.

11140322520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46584 (or 46580 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 11140322520 its reverse (2522304111), we get a palindrome (13662626631).

The spelling of 11140322520 in words is "eleven billion, one hundred forty million, three hundred twenty-two thousand, five hundred twenty".