85570126091 has 2 divisors, whose sum is σ = 85570126092. Its totient is φ = 85570126090.

The previous prime is 85570126043. The next prime is 85570126111. The reversal of 85570126091 is 19062107558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85570126091 - 2¹⁴ = 85570109707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (85570126001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42785063045 + 42785063046.

It is an arithmetic number, because the mean of its divisors is an integer number (42785063046).

Almost surely, 2^85570126091 is an apocalyptic number.

85570126091 is a deficient number, since it is larger than the sum of its proper divisors (1).

85570126091 is an equidigital number, since it uses as much as digits as its factorization.

85570126091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 44.

The spelling of 85570126091 in words is "eighty-five billion, five hundred seventy million, one hundred twenty-six thousand, ninety-one".