11287858118 has 16 divisors (see below), whose sum is σ = 18309219264. Its totient is φ = 5198912640.

The previous prime is 11287858093. The next prime is 11287858121. The reversal of 11287858118 is 81185878211.

It is a happy number.

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, 3530273 + ... + 3533468.

It is an arithmetic number, because the mean of its divisors is an integer number (1144326204).

Almost surely, 2^11287858118 is an apocalyptic number.

11287858118 is a deficient number, since it is larger than the sum of its proper divisors (7021361146).

11287858118 is a wasteful number, since it uses less digits than its factorization.

11287858118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7063807.

The product of its digits is 286720, while the sum is 50.

The spelling of 11287858118 in words is "eleven billion, two hundred eighty-seven million, eight hundred fifty-eight thousand, one hundred eighteen".