13915055018 has 8 divisors (see below), whose sum is σ = 20880172548. Its totient is φ = 6954997504.

The previous prime is 13915055003. The next prime is 13915055029. The reversal of 13915055018 is 81055051931.

It can be written as a sum of positive squares in 2 ways, for example, as 13066090249 + 848964769 = 114307^2 + 29137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258121 + ... + 1269132.

Almost surely, 2^13915055018 is an apocalyptic number.

13915055018 is a deficient number, since it is larger than the sum of its proper divisors (6965117530).

13915055018 is a wasteful number, since it uses less digits than its factorization.

13915055018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530008.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 13915055018 in words is "thirteen billion, nine hundred fifteen million, fifty-five thousand, eighteen".