86051129519 has 2 divisors, whose sum is σ = 86051129520. Its totient is φ = 86051129518.

The previous prime is 86051129471. The next prime is 86051129629. The reversal of 86051129519 is 91592115068.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86051129519 - 2²⁰ = 86050080943 is a prime.

It is a super-2 number, since 2×86051129519² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86051129119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43025564759 + 43025564760.

It is an arithmetic number, because the mean of its divisors is an integer number (43025564760).

Almost surely, 2^86051129519 is an apocalyptic number.

86051129519 is a deficient number, since it is larger than the sum of its proper divisors (1).

86051129519 is an equidigital number, since it uses as much as digits as its factorization.

86051129519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 47.

The spelling of 86051129519 in words is "eighty-six billion, fifty-one million, one hundred twenty-nine thousand, five hundred nineteen".