85512091201 has 16 divisors (see below), whose sum is σ = 92406000960. Its totient is φ = 78865989120.

The previous prime is 85512091193. The next prime is 85512091241. The reversal of 85512091201 is 10219021558.

It is a cyclic number.

It is not a de Polignac number, because 85512091201 - 2³ = 85512091193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85512091241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246265 + ... + 481321.

It is an arithmetic number, because the mean of its divisors is an integer number (5775375060).

Almost surely, 2^85512091201 is an apocalyptic number.

It is an amenable number.

85512091201 is a deficient number, since it is larger than the sum of its proper divisors (6893909759).

85512091201 is a wasteful number, since it uses less digits than its factorization.

85512091201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235584.

The product of its (nonzero) digits is 7200, while the sum is 34.

The spelling of 85512091201 in words is "eighty-five billion, five hundred twelve million, ninety-one thousand, two hundred one".