13857915005 has 8 divisors (see below), whose sum is σ = 18141270624. Its totient is φ = 10078483600.

The previous prime is 13857914963. The next prime is 13857915059. The reversal of 13857915005 is 50051975831.

It is a happy number.

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

It is not a de Polignac number, because 13857915005 - 2¹⁰ = 13857913981 is a prime.

It is a Duffinian number.

It is a Curzon 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, 125980991 + ... + 125981100.

It is an arithmetic number, because the mean of its divisors is an integer number (2267658828).

Almost surely, 2^13857915005 is an apocalyptic number.

It is an amenable number.

13857915005 is a deficient number, since it is larger than the sum of its proper divisors (4283355619).

13857915005 is a wasteful number, since it uses less digits than its factorization.

13857915005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251962107.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 13857915005 in words is "thirteen billion, eight hundred fifty-seven million, nine hundred fifteen thousand, five".