7157215087215 has 16 divisors (see below), whose sum is σ = 11564925767136. Its totient is φ = 3779387504000.

The previous prime is 7157215087207. The next prime is 7157215087219. The reversal of 7157215087215 is 5127805127517.

It is not a de Polignac number, because 7157215087215 - 2³ = 7157215087207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7157215087219) 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, 2362115676 + ... + 2362118705.

It is an arithmetic number, because the mean of its divisors is an integer number (722807860446).

Almost surely, 2^{7157215087215} is an apocalyptic number.

7157215087215 is a deficient number, since it is larger than the sum of its proper divisors (4407710679921).

7157215087215 is a wasteful number, since it uses less digits than its factorization.

7157215087215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4724234490.

The product of its (nonzero) digits is 1372000, while the sum is 51.

The spelling of 7157215087215 in words is "seven trillion, one hundred fifty-seven billion, two hundred fifteen million, eighty-seven thousand, two hundred fifteen".