885134045521 has 48 divisors (see below), whose sum is σ = 993882927744. Its totient is φ = 787564800000.

The previous prime is 885134045519. The next prime is 885134045533. The reversal of 885134045521 is 125540431588.

It is not a de Polignac number, because 885134045521 - 2¹ = 885134045519 is a prime.

It is a super-2 number, since 2×885134045521² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (885134045561) 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, 418898161 + ... + 418900273.

It is an arithmetic number, because the mean of its divisors is an integer number (20705894328).

Almost surely, 2^885134045521 is an apocalyptic number.

It is an amenable number.

885134045521 is a deficient number, since it is larger than the sum of its proper divisors (108748882223).

885134045521 is a wasteful number, since it uses less digits than its factorization.

885134045521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 2603 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 46.

The spelling of 885134045521 in words is "eight hundred eighty-five billion, one hundred thirty-four million, forty-five thousand, five hundred twenty-one".