1010404430881 has 2 divisors, whose sum is σ = 1010404430882. Its totient is φ = 1010404430880.

The previous prime is 1010404430879. The next prime is 1010404430953. The reversal of 1010404430881 is 1880344040101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 665619381025 + 344785049856 = 815855^2 + 587184^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010404430881 - 2¹ = 1010404430879 is a prime.

It is a super-2 number, since 2×1010404430881² (a number of 25 digits) contains 22 as substring.

Together with 1010404430879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1010404430281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505202215440 + 505202215441.

It is an arithmetic number, because the mean of its divisors is an integer number (505202215441).

Almost surely, 2^{1010404430881} is an apocalyptic number.

It is an amenable number.

1010404430881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010404430881 is an equidigital number, since it uses as much as digits as its factorization.

1010404430881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 34.

Adding to 1010404430881 its reverse (1880344040101), we get a palindrome (2890748470982).

The spelling of 1010404430881 in words is "one trillion, ten billion, four hundred four million, four hundred thirty thousand, eight hundred eighty-one".