85531159441 has 48 divisors (see below), whose sum is σ = 114206593536. Its totient is φ = 62336185344.

The previous prime is 85531159391. The next prime is 85531159447. The reversal of 85531159441 is 14495113558.

It is not a de Polignac number, because 85531159441 - 2²⁵ = 85497605009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85531159391 and 85531159400.

It is not an unprimeable number, because it can be changed into a prime (85531159447) 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, 1201455 + ... + 1270651.

It is an arithmetic number, because the mean of its divisors is an integer number (2379304032).

Almost surely, 2^85531159441 is an apocalyptic number.

It is an amenable number.

85531159441 is a deficient number, since it is larger than the sum of its proper divisors (28675434095).

85531159441 is a wasteful number, since it uses less digits than its factorization.

85531159441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69298 (or 69281 counting only the distinct ones).

The product of its digits is 432000, while the sum is 46.

The spelling of 85531159441 in words is "eighty-five billion, five hundred thirty-one million, one hundred fifty-nine thousand, four hundred forty-one".