85811260537149 has 32 divisors (see below), whose sum is σ = 130976489272320. Its totient is φ = 48953891712000.

The previous prime is 85811260537141. The next prime is 85811260537193. The reversal of 85811260537149 is 94173506211858.

It is a happy number.

It is not a de Polignac number, because 85811260537149 - 2³ = 85811260537141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85811260537092 and 85811260537101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85811260537141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31331722 + ... + 33960260.

It is an arithmetic number, because the mean of its divisors is an integer number (4093015289760).

It is a 1-persistent number, because it is pandigital, but 2⋅85811260537149 = 171622521074298 is not.

Almost surely, 2^{85811260537149} is an apocalyptic number.

It is an amenable number.

85811260537149 is a deficient number, since it is larger than the sum of its proper divisors (45165228735171).

85811260537149 is a wasteful number, since it uses less digits than its factorization.

85811260537149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631121.

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 85811260537149 in words is "eighty-five trillion, eight hundred eleven billion, two hundred sixty million, five hundred thirty-seven thousand, one hundred forty-nine".