85258135533 has 16 divisors (see below), whose sum is σ = 115554943296. Its totient is φ = 55900266240.

The previous prime is 85258135517. The next prime is 85258135559. The reversal of 85258135533 is 33553185258.

It is not a de Polignac number, because 85258135533 - 2⁴ = 85258135517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85258135583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842466 + ... + 1888172.

It is an arithmetic number, because the mean of its divisors is an integer number (7222183956).

Almost surely, 2^85258135533 is an apocalyptic number.

It is an amenable number.

85258135533 is a deficient number, since it is larger than the sum of its proper divisors (30296807763).

85258135533 is a wasteful number, since it uses less digits than its factorization.

85258135533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55964.

The product of its digits is 2160000, while the sum is 48.

The spelling of 85258135533 in words is "eighty-five billion, two hundred fifty-eight million, one hundred thirty-five thousand, five hundred thirty-three".