8470085385511 has 2 divisors, whose sum is σ = 8470085385512. Its totient is φ = 8470085385510.

The previous prime is 8470085385467. The next prime is 8470085385547. The reversal of 8470085385511 is 1155835800748.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8470085385511 is a prime.

It is a super-2 number, since 2×8470085385511² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8470085385611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4235042692755 + 4235042692756.

It is an arithmetic number, because the mean of its divisors is an integer number (4235042692756).

Almost surely, 2^{8470085385511} is an apocalyptic number.

8470085385511 is a deficient number, since it is larger than the sum of its proper divisors (1).

8470085385511 is an equidigital number, since it uses as much as digits as its factorization.

8470085385511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376000, while the sum is 55.

The spelling of 8470085385511 in words is "eight trillion, four hundred seventy billion, eighty-five million, three hundred eighty-five thousand, five hundred eleven".