14357157215 has 4 divisors (see below), whose sum is σ = 17228588664. Its totient is φ = 11485725768.

The previous prime is 14357157209. The next prime is 14357157253. The reversal of 14357157215 is 51275175341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14357157215 - 2¹² = 14357153119 is a prime.

It is a super-2 number, since 2×14357157215² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 1435715717 + ... + 1435715726.

It is an arithmetic number, because the mean of its divisors is an integer number (4307147166).

Almost surely, 2^14357157215 is an apocalyptic number.

14357157215 is a deficient number, since it is larger than the sum of its proper divisors (2871431449).

14357157215 is an equidigital number, since it uses as much as digits as its factorization.

14357157215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871431448.

The product of its digits is 147000, while the sum is 41.

The spelling of 14357157215 in words is "fourteen billion, three hundred fifty-seven million, one hundred fifty-seven thousand, two hundred fifteen".