215039080415 has 4 divisors (see below), whose sum is σ = 258046896504. Its totient is φ = 172031264328.

The previous prime is 215039080391. The next prime is 215039080423. The reversal of 215039080415 is 514080930512.

It is a happy number.

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 215039080415 - 2⁸ = 215039080159 is a prime.

It is a super-2 number, since 2×215039080415² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21503908037 + ... + 21503908046.

It is an arithmetic number, because the mean of its divisors is an integer number (64511724126).

Almost surely, 2^215039080415 is an apocalyptic number.

215039080415 is a deficient number, since it is larger than the sum of its proper divisors (43007816089).

215039080415 is an equidigital number, since it uses as much as digits as its factorization.

215039080415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43007816088.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 215039080415 in words is "two hundred fifteen billion, thirty-nine million, eighty thousand, four hundred fifteen".