85874740311525 has 48 divisors (see below), whose sum is σ = 159883152918528. Its totient is φ = 40293133272000.

The previous prime is 85874740311523. The next prime is 85874740311553. The reversal of 85874740311525 is 52511304747858.

It is not a de Polignac number, because 85874740311525 - 2¹ = 85874740311523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85874740311523) 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, 1678854979 + ... + 1678906128.

It is an arithmetic number, because the mean of its divisors is an integer number (3330899019136).

Almost surely, 2^{85874740311525} is an apocalyptic number.

It is an amenable number.

85874740311525 is a deficient number, since it is larger than the sum of its proper divisors (74008412607003).

85874740311525 is a wasteful number, since it uses less digits than its factorization.

85874740311525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357761162 (or 3357761157 counting only the distinct ones).

The product of its (nonzero) digits is 37632000, while the sum is 60.

The spelling of 85874740311525 in words is "eighty-five trillion, eight hundred seventy-four billion, seven hundred forty million, three hundred eleven thousand, five hundred twenty-five".