9050085488881 has 2 divisors, whose sum is σ = 9050085488882. Its totient is φ = 9050085488880.

The previous prime is 9050085488809. The next prime is 9050085488903. The reversal of 9050085488881 is 1888845800509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7334260577856 + 1715824911025 = 2708184^2 + 1309895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9050085488881 is a prime.

It is a super-2 number, since 2×9050085488881² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9050085488581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4525042744440 + 4525042744441.

It is an arithmetic number, because the mean of its divisors is an integer number (4525042744441).

Almost surely, 2^{9050085488881} is an apocalyptic number.

It is an amenable number.

9050085488881 is a deficient number, since it is larger than the sum of its proper divisors (1).

9050085488881 is an equidigital number, since it uses as much as digits as its factorization.

9050085488881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29491200, while the sum is 64.

The spelling of 9050085488881 in words is "nine trillion, fifty billion, eighty-five million, four hundred eighty-eight thousand, eight hundred eighty-one".