11143640580 has 48 divisors (see below), whose sum is σ = 31220489664. Its totient is φ = 2969895040.

The previous prime is 11143640569. The next prime is 11143640593. The reversal of 11143640580 is 8504634111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50395 + ... + 157565.

It is an arithmetic number, because the mean of its divisors is an integer number (650426868).

Almost surely, 2^11143640580 is an apocalyptic number.

11143640580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11143640580 is an abundant number, since it is smaller than the sum of its proper divisors (20076849084).

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

11143640580 is a wasteful number, since it uses less digits than its factorization.

11143640580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108916 (or 108914 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 11143640580 in words is "eleven billion, one hundred forty-three million, six hundred forty thousand, five hundred eighty".