425021212515 has 24 divisors (see below), whose sum is σ = 722389002480. Its totient is φ = 213343979008.

The previous prime is 425021212513. The next prime is 425021212537. The reversal of 425021212515 is 515212120524.

It is not a de Polignac number, because 425021212515 - 2¹ = 425021212513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425021212513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49017720 + ... + 49026389.

It is an arithmetic number, because the mean of its divisors is an integer number (30099541770).

Almost surely, 2^425021212515 is an apocalyptic number.

425021212515 is a deficient number, since it is larger than the sum of its proper divisors (297367789965).

425021212515 is a wasteful number, since it uses less digits than its factorization.

425021212515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98044151 (or 98044134 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 425021212515 in words is "four hundred twenty-five billion, twenty-one million, two hundred twelve thousand, five hundred fifteen".