85500120552199 has 2 divisors, whose sum is σ = 85500120552200. Its totient is φ = 85500120552198.

The previous prime is 85500120552101. The next prime is 85500120552277. The reversal of 85500120552199 is 99125502100558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85500120552199 - 2¹⁵ = 85500120519431 is a prime.

It is a super-2 number, since 2×85500120552199² (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 (85500120552299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42750060276099 + 42750060276100.

It is an arithmetic number, because the mean of its divisors is an integer number (42750060276100).

Almost surely, 2^{85500120552199} is an apocalyptic number.

85500120552199 is a deficient number, since it is larger than the sum of its proper divisors (1).

85500120552199 is an equidigital number, since it uses as much as digits as its factorization.

85500120552199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620000, while the sum is 52.

The spelling of 85500120552199 in words is "eighty-five trillion, five hundred billion, one hundred twenty million, five hundred fifty-two thousand, one hundred ninety-nine".