85137002543 has 2 divisors, whose sum is σ = 85137002544. Its totient is φ = 85137002542.

The previous prime is 85137002471. The next prime is 85137002569. The reversal of 85137002543 is 34520073158.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85137002543 - 2¹⁰ = 85137001519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85137002497 and 85137002506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85136002543) 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, 42568501271 + 42568501272.

It is an arithmetic number, because the mean of its divisors is an integer number (42568501272).

Almost surely, 2^85137002543 is an apocalyptic number.

85137002543 is a deficient number, since it is larger than the sum of its proper divisors (1).

85137002543 is an equidigital number, since it uses as much as digits as its factorization.

85137002543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 85137002543 in words is "eighty-five billion, one hundred thirty-seven million, two thousand, five hundred forty-three".