11131110140 has 24 divisors (see below), whose sum is σ = 23377410672. Its totient is φ = 4452048000.

The previous prime is 11131110127. The next prime is 11131110181. The reversal of 11131110140 is 4101113111.

It is a happy number.

It is a super-2 number, since 2×11131110140² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329015 + ... + 361265.

It is an arithmetic number, because the mean of its divisors is an integer number (974058778).

Almost surely, 2^11131110140 is an apocalyptic number.

11131110140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11131110140 is an abundant number, since it is smaller than the sum of its proper divisors (12246300532).

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

11131110140 is a wasteful number, since it uses less digits than its factorization.

11131110140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49517 (or 49515 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11131110140 its reverse (4101113111), we get a palindrome (15232223251).

The spelling of 11131110140 in words is "eleven billion, one hundred thirty-one million, one hundred ten thousand, one hundred forty".