85185793048231 has 2 divisors, whose sum is σ = 85185793048232. Its totient is φ = 85185793048230.

The previous prime is 85185793048207. The next prime is 85185793048243. The reversal of 85185793048231 is 13284039758158.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85185793048231 - 2⁴³ = 76389700026023 is a prime.

It is a super-2 number, since 2×85185793048231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85185793048261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42592896524115 + 42592896524116.

It is an arithmetic number, because the mean of its divisors is an integer number (42592896524116).

Almost surely, 2^{85185793048231} is an apocalyptic number.

85185793048231 is a deficient number, since it is larger than the sum of its proper divisors (1).

85185793048231 is an equidigital number, since it uses as much as digits as its factorization.

85185793048231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58060800, while the sum is 64.

The spelling of 85185793048231 in words is "eighty-five trillion, one hundred eighty-five billion, seven hundred ninety-three million, forty-eight thousand, two hundred thirty-one".