157015660215 has 16 divisors (see below), whose sum is σ = 254666497248. Its totient is φ = 82594538496.

The previous prime is 157015660213. The next prime is 157015660247. The reversal of 157015660215 is 512066510751.

It is a happy number.

It is not a de Polignac number, because 157015660215 - 2¹ = 157015660213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157015660213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71695554 + ... + 71697743.

It is an arithmetic number, because the mean of its divisors is an integer number (15916656078).

Almost surely, 2^157015660215 is an apocalyptic number.

157015660215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157015660215 is a deficient number, since it is larger than the sum of its proper divisors (97650837033).

157015660215 is a wasteful number, since it uses less digits than its factorization.

157015660215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143393378.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 157015660215 in words is "one hundred fifty-seven billion, fifteen million, six hundred sixty thousand, two hundred fifteen".