1121431698433 has 2 divisors, whose sum is σ = 1121431698434. Its totient is φ = 1121431698432.

The previous prime is 1121431698421. The next prime is 1121431698461. The reversal of 1121431698433 is 3348961341211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 754089034689 + 367342663744 = 868383^2 + 606088^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121431698433 - 2³³ = 1112841763841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121431698833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560715849216 + 560715849217.

It is an arithmetic number, because the mean of its divisors is an integer number (560715849217).

Almost surely, 2^{1121431698433} is an apocalyptic number.

It is an amenable number.

1121431698433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121431698433 is an equidigital number, since it uses as much as digits as its factorization.

1121431698433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The spelling of 1121431698433 in words is "one trillion, one hundred twenty-one billion, four hundred thirty-one million, six hundred ninety-eight thousand, four hundred thirty-three".