85575012133 has 16 divisors (see below), whose sum is σ = 99072126720. Its totient is φ = 73242588096.

The previous prime is 85575012121. The next prime is 85575012137. The reversal of 85575012133 is 33121057558.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85575012133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85575012137) 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, 3674110 + ... + 3697327.

It is an arithmetic number, because the mean of its divisors is an integer number (6192007920).

Almost surely, 2^85575012133 is an apocalyptic number.

It is an amenable number.

85575012133 is a deficient number, since it is larger than the sum of its proper divisors (13497114587).

85575012133 is a wasteful number, since it uses less digits than its factorization.

85575012133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371516.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 85575012133 in words is "eighty-five billion, five hundred seventy-five million, twelve thousand, one hundred thirty-three".