13118840188 has 24 divisors (see below), whose sum is σ = 24175942560. Its totient is φ = 6216661440.

The previous prime is 13118840167. The next prime is 13118840191. The reversal of 13118840188 is 88104881131.

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, 644083 + ... + 664138.

It is an arithmetic number, because the mean of its divisors is an integer number (1007330940).

Almost surely, 2^13118840188 is an apocalyptic number.

It is an amenable number.

13118840188 is a deficient number, since it is larger than the sum of its proper divisors (11057102372).

13118840188 is a wasteful number, since it uses less digits than its factorization.

13118840188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308357 (or 1308355 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 43.

The spelling of 13118840188 in words is "thirteen billion, one hundred eighteen million, eight hundred forty thousand, one hundred eighty-eight".