85801436515 has 8 divisors (see below), whose sum is σ = 103423436928. Its totient is φ = 68333340480.

The previous prime is 85801436509. The next prime is 85801436533. The reversal of 85801436515 is 51563410858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85801436515 - 2¹⁹ = 85800912227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38474866 + ... + 38477095.

It is an arithmetic number, because the mean of its divisors is an integer number (12927929616).

Almost surely, 2^85801436515 is an apocalyptic number.

85801436515 is a deficient number, since it is larger than the sum of its proper divisors (17622000413).

85801436515 is a wasteful number, since it uses less digits than its factorization.

85801436515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76952189.

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 85801436515 in words is "eighty-five billion, eight hundred one million, four hundred thirty-six thousand, five hundred fifteen".