11287513168 has 40 divisors (see below), whose sum is σ = 23353505280. Its totient is φ = 5273358720.

The previous prime is 11287513157. The next prime is 11287513177. The reversal of 11287513168 is 86131578211.

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, 377980 + ... + 406747.

It is an arithmetic number, because the mean of its divisors is an integer number (583837632).

Almost surely, 2^11287513168 is an apocalyptic number.

It is an amenable number.

11287513168 is an abundant number, since it is smaller than the sum of its proper divisors (12065992112).

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

11287513168 is a wasteful number, since it uses less digits than its factorization.

11287513168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784795 (or 784789 counting only the distinct ones).

The product of its digits is 80640, while the sum is 43.

The spelling of 11287513168 in words is "eleven billion, two hundred eighty-seven million, five hundred thirteen thousand, one hundred sixty-eight".