906111354881 has 2 divisors, whose sum is σ = 906111354882. Its totient is φ = 906111354880.

The previous prime is 906111354847. The next prime is 906111354917. The reversal of 906111354881 is 188453111609.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 905002131856 + 1109223025 = 951316^2 + 33305^2 .

It is a cyclic number.

It is not a de Polignac number, because 906111354881 - 2⁶ = 906111354817 is a prime.

It is a super-3 number, since 3×906111354881³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (906111351881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453055677440 + 453055677441.

It is an arithmetic number, because the mean of its divisors is an integer number (453055677441).

Almost surely, 2^906111354881 is an apocalyptic number.

It is an amenable number.

906111354881 is a deficient number, since it is larger than the sum of its proper divisors (1).

906111354881 is an equidigital number, since it uses as much as digits as its factorization.

906111354881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 47.

The spelling of 906111354881 in words is "nine hundred six billion, one hundred eleven million, three hundred fifty-four thousand, eight hundred eighty-one".