85148356259 has 2 divisors, whose sum is σ = 85148356260. Its totient is φ = 85148356258.

The previous prime is 85148356243. The next prime is 85148356277. The reversal of 85148356259 is 95265384158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85148356259 - 2⁴ = 85148356243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (85148356459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42574178129 + 42574178130.

It is an arithmetic number, because the mean of its divisors is an integer number (42574178130).

Almost surely, 2^85148356259 is an apocalyptic number.

85148356259 is a deficient number, since it is larger than the sum of its proper divisors (1).

85148356259 is an equidigital number, since it uses as much as digits as its factorization.

85148356259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368000, while the sum is 56.

The spelling of 85148356259 in words is "eighty-five billion, one hundred forty-eight million, three hundred fifty-six thousand, two hundred fifty-nine".