11131302140 has 24 divisors (see below), whose sum is σ = 26715125472. Its totient is φ = 3816446400.

The previous prime is 11131302139. The next prime is 11131302163. The reversal of 11131302140 is 4120313111.

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, 39754511 + ... + 39754790.

It is an arithmetic number, because the mean of its divisors is an integer number (1113130228).

Almost surely, 2^11131302140 is an apocalyptic number.

11131302140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11131302140 is an abundant number, since it is smaller than the sum of its proper divisors (15583823332).

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

11131302140 is a wasteful number, since it uses less digits than its factorization.

11131302140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79509317 (or 79509315 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11131302140 its reverse (4120313111), we get a palindrome (15251615251).

The spelling of 11131302140 in words is "eleven billion, one hundred thirty-one million, three hundred two thousand, one hundred forty".