11131320032 has 48 divisors (see below), whose sum is σ = 25058188512. Its totient is φ = 4768143360.

The previous prime is 11131319999. The next prime is 11131320047. The reversal of 11131320032 is 23002313111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470732 + ... + 493812.

It is an arithmetic number, because the mean of its divisors is an integer number (522045594).

Almost surely, 2^11131320032 is an apocalyptic number.

It is an amenable number.

11131320032 is an abundant number, since it is smaller than the sum of its proper divisors (13926868480).

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

11131320032 is a wasteful number, since it uses less digits than its factorization.

11131320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25251 (or 25243 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11131320032 its reverse (23002313111), we get a palindrome (34133633143).

The spelling of 11131320032 in words is "eleven billion, one hundred thirty-one million, three hundred twenty thousand, thirty-two".