85415012725 has 36 divisors (see below), whose sum is σ = 123251048928. Its totient is φ = 58549260000.

The previous prime is 85415012723. The next prime is 85415012803. The reversal of 85415012725 is 52721051458.

It is not a de Polignac number, because 85415012725 - 2¹ = 85415012723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85415012723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3898050 + ... + 3919900.

It is an arithmetic number, because the mean of its divisors is an integer number (3423640248).

Almost surely, 2^85415012725 is an apocalyptic number.

It is an amenable number.

85415012725 is a deficient number, since it is larger than the sum of its proper divisors (37836036203).

85415012725 is a wasteful number, since it uses less digits than its factorization.

85415012725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25066 (or 25054 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 40.

The spelling of 85415012725 in words is "eighty-five billion, four hundred fifteen million, twelve thousand, seven hundred twenty-five".