85512841231052 has 12 divisors (see below), whose sum is σ = 149952253160136. Its totient is φ = 42669340328160.

The previous prime is 85512841231021. The next prime is 85512841231057. The reversal of 85512841231052 is 25013214821558.

It is a junction number, because it is equal to n+sod(n) for n = 85512841230988 and 85512841231006.

It is not an unprimeable number, because it can be changed into a prime (85512841231057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21770069633 + ... + 21770073560.

It is an arithmetic number, because the mean of its divisors is an integer number (12496021096678).

Almost surely, 2^{85512841231052} is an apocalyptic number.

It is an amenable number.

85512841231052 is a deficient number, since it is larger than the sum of its proper divisors (64439411929084).

85512841231052 is a wasteful number, since it uses less digits than its factorization.

85512841231052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43540143688 (or 43540143686 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 47.

The spelling of 85512841231052 in words is "eighty-five trillion, five hundred twelve billion, eight hundred forty-one million, two hundred thirty-one thousand, fifty-two".