11133112140 has 36 divisors (see below), whose sum is σ = 33770440704. Its totient is φ = 2968829856.

The previous prime is 11133112121. The next prime is 11133112147. The reversal of 11133112140 is 4121133111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11133112147) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 30925132 + ... + 30925491.

Almost surely, 2^11133112140 is an apocalyptic number.

11133112140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11133112140 is an abundant number, since it is smaller than the sum of its proper divisors (22637328564).

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

11133112140 is a wasteful number, since it uses less digits than its factorization.

11133112140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61850638 (or 61850633 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11133112140 its reverse (4121133111), we get a palindrome (15254245251).

The spelling of 11133112140 in words is "eleven billion, one hundred thirty-three million, one hundred twelve thousand, one hundred forty".