860985011 has 2 divisors, whose sum is σ = 860985012. Its totient is φ = 860985010.

The previous prime is 860984989. The next prime is 860985029. The reversal of 860985011 is 110589068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 860985011 - 2²⁶ = 793876147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (860985211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430492505 + 430492506.

It is an arithmetic number, because the mean of its divisors is an integer number (430492506).

Almost surely, 2^860985011 is an apocalyptic number.

860985011 is a deficient number, since it is larger than the sum of its proper divisors (1).

860985011 is an equidigital number, since it uses as much as digits as its factorization.

860985011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 860985011 is about 29342.5460892541. The cubic root of 860985011 is about 951.3314704049.

The spelling of 860985011 in words is "eight hundred sixty million, nine hundred eighty-five thousand, eleven".