85212541151 has 2 divisors, whose sum is σ = 85212541152. Its totient is φ = 85212541150.

The previous prime is 85212541133. The next prime is 85212541159. The reversal of 85212541151 is 15114521258.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85212541151 is a prime.

It is a super-2 number, since 2×85212541151² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85212541159) 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, 42606270575 + 42606270576.

It is an arithmetic number, because the mean of its divisors is an integer number (42606270576).

Almost surely, 2^85212541151 is an apocalyptic number.

85212541151 is a deficient number, since it is larger than the sum of its proper divisors (1).

85212541151 is an equidigital number, since it uses as much as digits as its factorization.

85212541151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16000, while the sum is 35.

The spelling of 85212541151 in words is "eighty-five billion, two hundred twelve million, five hundred forty-one thousand, one hundred fifty-one".