85138330254903 has 24 divisors (see below), whose sum is σ = 122997834067680. Its totient is φ = 56749543421760.

The previous prime is 85138330254871. The next prime is 85138330254919. The reversal of 85138330254903 is 30945203383158.

85138330254903 is a `hidden beast` number, since 8 + 5 + 1 + 383 + 3 + 0 + 254 + 9 + 0 + 3 = 666.

It is not a de Polignac number, because 85138330254903 - 2⁵ = 85138330254871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85138330254903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85138330250903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2740812150 + ... + 2740843212.

It is an arithmetic number, because the mean of its divisors is an integer number (5124909752820).

Almost surely, 2^{85138330254903} is an apocalyptic number.

85138330254903 is a deficient number, since it is larger than the sum of its proper divisors (37859503812777).

85138330254903 is a wasteful number, since it uses less digits than its factorization.

85138330254903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71399 (or 71396 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 85138330254903 in words is "eighty-five trillion, one hundred thirty-eight billion, three hundred thirty million, two hundred fifty-four thousand, nine hundred three".