11813847108 has 48 divisors (see below), whose sum is σ = 31641214080. Its totient is φ = 3360639744.

The previous prime is 11813847061. The next prime is 11813847119. The reversal of 11813847108 is 80174831811.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 11813847108.

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, 287841 + ... + 326312.

It is an arithmetic number, because the mean of its divisors is an integer number (659191960).

Almost surely, 2^11813847108 is an apocalyptic number.

It is an amenable number.

11813847108 is an abundant number, since it is smaller than the sum of its proper divisors (19827366972).

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

11813847108 is a wasteful number, since it uses less digits than its factorization.

11813847108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614396 (or 614394 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 42.

The spelling of 11813847108 in words is "eleven billion, eight hundred thirteen million, eight hundred forty-seven thousand, one hundred eight".