11143533140 has 24 divisors (see below), whose sum is σ = 23413280352. Its totient is φ = 4455154080.

The previous prime is 11143533113. The next prime is 11143533157. The reversal of 11143533140 is 4133534111.

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, 100466 + ... + 179945.

It is an arithmetic number, because the mean of its divisors is an integer number (975553348).

Almost surely, 2^11143533140 is an apocalyptic number.

11143533140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11143533140 is an abundant number, since it is smaller than the sum of its proper divisors (12269747212).

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

11143533140 is a wasteful number, since it uses less digits than its factorization.

11143533140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282407 (or 282405 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 11143533140 in words is "eleven billion, one hundred forty-three million, five hundred thirty-three thousand, one hundred forty".