215032510415 has 16 divisors (see below), whose sum is σ = 259122549312. Its totient is φ = 171304783104.

The previous prime is 215032510411. The next prime is 215032510471. The reversal of 215032510415 is 514015230512.

It is a cyclic number.

It is not a de Polignac number, because 215032510415 - 2² = 215032510411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215032510411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1462547 + ... + 1602843.

It is an arithmetic number, because the mean of its divisors is an integer number (16195159332).

Almost surely, 2^215032510415 is an apocalyptic number.

215032510415 is a deficient number, since it is larger than the sum of its proper divisors (44090038897).

215032510415 is a wasteful number, since it uses less digits than its factorization.

215032510415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141586.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 215032510415 its reverse (514015230512), we get a palindrome (729047740927).

The spelling of 215032510415 in words is "two hundred fifteen billion, thirty-two million, five hundred ten thousand, four hundred fifteen".