85811260537148 has 48 divisors (see below), whose sum is σ = 154469715617280. Its totient is φ = 41695253069184.

The previous prime is 85811260537141. The next prime is 85811260537193. The reversal of 85811260537148 is 84173506211858.

It is a super-2 number, since 2×85811260537148² (a number of 29 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 23559515 + ... + 26956877.

It is an arithmetic number, because the mean of its divisors is an integer number (3218119075360).

Almost surely, 2^{85811260537148} is an apocalyptic number.

It is an amenable number.

85811260537148 is a deficient number, since it is larger than the sum of its proper divisors (68658455080132).

85811260537148 is a wasteful number, since it uses less digits than its factorization.

85811260537148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398706 (or 3398704 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 59.

The spelling of 85811260537148 in words is "eighty-five trillion, eight hundred eleven billion, two hundred sixty million, five hundred thirty-seven thousand, one hundred forty-eight".