425661230515 has 16 divisors (see below), whose sum is σ = 511640940096. Its totient is φ = 339964240000.

The previous prime is 425661230503. The next prime is 425661230531. The reversal of 425661230515 is 515032166524.

It is not a de Polignac number, because 425661230515 - 2¹¹ = 425661228467 is a prime.

It is a Duffinian 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, 18575565 + ... + 18598465.

It is an arithmetic number, because the mean of its divisors is an integer number (31977558756).

Almost surely, 2^425661230515 is an apocalyptic number.

425661230515 is a deficient number, since it is larger than the sum of its proper divisors (85979709581).

425661230515 is a wasteful number, since it uses less digits than its factorization.

425661230515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28910.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 425661230515 in words is "four hundred twenty-five billion, six hundred sixty-one million, two hundred thirty thousand, five hundred fifteen".