213415251215 has 16 divisors (see below), whose sum is σ = 257168338560. Its totient is φ = 170019108000.

The previous prime is 213415251169. The next prime is 213415251281. The reversal of 213415251215 is 512152514312.

It is not a de Polignac number, because 213415251215 - 2²⁶ = 213348142351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8052656 + ... + 8079114.

It is an arithmetic number, because the mean of its divisors is an integer number (16073021160).

Almost surely, 2^213415251215 is an apocalyptic number.

213415251215 is a deficient number, since it is larger than the sum of its proper divisors (43753087345).

213415251215 is a wasteful number, since it uses less digits than its factorization.

213415251215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33142.

The product of its digits is 12000, while the sum is 32.

Adding to 213415251215 its reverse (512152514312), we get a palindrome (725567765527).

The spelling of 213415251215 in words is "two hundred thirteen billion, four hundred fifteen million, two hundred fifty-one thousand, two hundred fifteen".