215104415415 has 32 divisors (see below), whose sum is σ = 356641850880. Its totient is φ = 110577581184.

The previous prime is 215104415389. The next prime is 215104415417. The reversal of 215104415415 is 514514401512.

It is not a de Polignac number, because 215104415415 - 2¹⁰ = 215104414391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215104415417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165859 + ... + 676548.

It is an arithmetic number, because the mean of its divisors is an integer number (11145057840).

Almost surely, 2^215104415415 is an apocalyptic number.

215104415415 is a deficient number, since it is larger than the sum of its proper divisors (141537435465).

215104415415 is a wasteful number, since it uses less digits than its factorization.

215104415415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843031.

The product of its (nonzero) digits is 16000, while the sum is 33.

Adding to 215104415415 its reverse (514514401512), we get a palindrome (729618816927).

The spelling of 215104415415 in words is "two hundred fifteen billion, one hundred four million, four hundred fifteen thousand, four hundred fifteen".