8425213169215 has 16 divisors (see below), whose sum is σ = 10165636315296. Its totient is φ = 6703341926400.

The previous prime is 8425213169171. The next prime is 8425213169239. The reversal of 8425213169215 is 5129613125248.

It is a de Polignac number, because none of the positive numbers 2^k-8425213169215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4998066 + ... + 6467695.

It is an arithmetic number, because the mean of its divisors is an integer number (635352269706).

Almost surely, 2^{8425213169215} is an apocalyptic number.

8425213169215 is a deficient number, since it is larger than the sum of its proper divisors (1740423146081).

8425213169215 is a wasteful number, since it uses less digits than its factorization.

8425213169215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11466570.

The product of its digits is 1036800, while the sum is 49.

The spelling of 8425213169215 in words is "eight trillion, four hundred twenty-five billion, two hundred thirteen million, one hundred sixty-nine thousand, two hundred fifteen".