215120132115 has 16 divisors (see below), whose sum is σ = 393362527488. Its totient is φ = 98340631776.

The previous prime is 215120132063. The next prime is 215120132119. The reversal of 215120132115 is 511231021512.

It is not a de Polignac number, because 215120132115 - 2¹⁰ = 215120131091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215120132119) 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, 1024381477 + ... + 1024381686.

It is an arithmetic number, because the mean of its divisors is an integer number (24585157968).

Almost surely, 2^215120132115 is an apocalyptic number.

215120132115 is a deficient number, since it is larger than the sum of its proper divisors (178242395373).

215120132115 is a wasteful number, since it uses less digits than its factorization.

215120132115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048763178.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 215120132115 its reverse (511231021512), we get a palindrome (726351153627).

The spelling of 215120132115 in words is "two hundred fifteen billion, one hundred twenty million, one hundred thirty-two thousand, one hundred fifteen".