85258135532 has 24 divisors (see below), whose sum is σ = 154767264960. Its totient is φ = 41046929280.

The previous prime is 85258135517. The next prime is 85258135559. The reversal of 85258135532 is 23553185258.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958769 + ... + 1043912.

It is an arithmetic number, because the mean of its divisors is an integer number (6448636040).

Almost surely, 2^85258135532 is an apocalyptic number.

It is an amenable number.

85258135532 is a deficient number, since it is larger than the sum of its proper divisors (69509129428).

85258135532 is a wasteful number, since it uses less digits than its factorization.

85258135532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003081 (or 2003079 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 47.

The spelling of 85258135532 in words is "eighty-five billion, two hundred fifty-eight million, one hundred thirty-five thousand, five hundred thirty-two".