85725757080525 has 48 divisors (see below), whose sum is σ = 142191453968064. Its totient is φ = 45572607674880.

The previous prime is 85725757080517. The next prime is 85725757080527. The reversal of 85725757080525 is 52508075752758.

It is not a de Polignac number, because 85725757080525 - 2³ = 85725757080517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85725757080527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 835588282 + ... + 835690868.

It is an arithmetic number, because the mean of its divisors is an integer number (2962321957668).

Almost surely, 2^{85725757080525} is an apocalyptic number.

It is an amenable number.

85725757080525 is a deficient number, since it is larger than the sum of its proper divisors (56465696887539).

85725757080525 is a wasteful number, since it uses less digits than its factorization.

85725757080525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138510 (or 138505 counting only the distinct ones).

The product of its (nonzero) digits is 274400000, while the sum is 66.

The spelling of 85725757080525 in words is "eighty-five trillion, seven hundred twenty-five billion, seven hundred fifty-seven million, eighty thousand, five hundred twenty-five".