1085015521063 has 2 divisors, whose sum is σ = 1085015521064. Its totient is φ = 1085015521062.

The previous prime is 1085015520989. The next prime is 1085015521067. The reversal of 1085015521063 is 3601255105801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1085015521063 - 2²⁵ = 1084981966631 is a prime.

It is a super-2 number, since 2×1085015521063² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085015521067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542507760531 + 542507760532.

It is an arithmetic number, because the mean of its divisors is an integer number (542507760532).

Almost surely, 2^{1085015521063} is an apocalyptic number.

1085015521063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085015521063 is an equidigital number, since it uses as much as digits as its factorization.

1085015521063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 1085015521063 in words is "one trillion, eighty-five billion, fifteen million, five hundred twenty-one thousand, sixty-three".