425164132085 has 32 divisors (see below), whose sum is σ = 639643392000. Its totient is φ = 263556682560.

The previous prime is 425164132079. The next prime is 425164132177. The reversal of 425164132085 is 580231461524.

It is not a de Polignac number, because 425164132085 - 2¹² = 425164127989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3015785 + ... + 3153614.

It is an arithmetic number, because the mean of its divisors is an integer number (19988856000).

Almost surely, 2^425164132085 is an apocalyptic number.

It is an amenable number.

425164132085 is a deficient number, since it is larger than the sum of its proper divisors (214479259915).

425164132085 is a wasteful number, since it uses less digits than its factorization.

425164132085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169601.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 425164132085 in words is "four hundred twenty-five billion, one hundred sixty-four million, one hundred thirty-two thousand, eighty-five".