11443640116 has 48 divisors (see below), whose sum is σ = 20538918400. Its totient is φ = 5577631488.

The previous prime is 11443640113. The next prime is 11443640137. The reversal of 11443640116 is 61104634411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443640113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15740545 + ... + 15741271.

Almost surely, 2^11443640116 is an apocalyptic number.

It is an amenable number.

11443640116 is a deficient number, since it is larger than the sum of its proper divisors (9095278284).

11443640116 is a wasteful number, since it uses less digits than its factorization.

11443640116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 11443640116 in words is "eleven billion, four hundred forty-three million, six hundred forty thousand, one hundred sixteen".