1121389625399 has 2 divisors, whose sum is σ = 1121389625400. Its totient is φ = 1121389625398.

The previous prime is 1121389625347. The next prime is 1121389625413. The reversal of 1121389625399 is 9935269831211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121389625399 - 2⁸ = 1121389625143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121389625309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560694812699 + 560694812700.

It is an arithmetic number, because the mean of its divisors is an integer number (560694812700).

Almost surely, 2^{1121389625399} is an apocalyptic number.

1121389625399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121389625399 is an equidigital number, since it uses as much as digits as its factorization.

1121389625399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6298560, while the sum is 59.

The spelling of 1121389625399 in words is "one trillion, one hundred twenty-one billion, three hundred eighty-nine million, six hundred twenty-five thousand, three hundred ninety-nine".