85515145041 has 16 divisors (see below), whose sum is σ = 115348147200. Its totient is φ = 56348549328.

The previous prime is 85515145031. The next prime is 85515145057. The reversal of 85515145041 is 14054151558.

It is not a de Polignac number, because 85515145041 - 2³¹ = 83367661393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85515145031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162501 + ... + 444338.

It is an arithmetic number, because the mean of its divisors is an integer number (7209259200).

Almost surely, 2^85515145041 is an apocalyptic number.

It is an amenable number.

85515145041 is a deficient number, since it is larger than the sum of its proper divisors (29833002159).

85515145041 is a wasteful number, since it uses less digits than its factorization.

85515145041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607388.

The product of its (nonzero) digits is 80000, while the sum is 39.

Adding to 85515145041 its reverse (14054151558), we get a palindrome (99569296599).

The spelling of 85515145041 in words is "eighty-five billion, five hundred fifteen million, one hundred forty-five thousand, forty-one".