1121404863613 has 2 divisors, whose sum is σ = 1121404863614. Its totient is φ = 1121404863612.

The previous prime is 1121404863563. The next prime is 1121404863637. The reversal of 1121404863613 is 3163684041211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 676733279044 + 444671584569 = 822638^2 + 666837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121404863613 is a prime.

It is a super-2 number, since 2×1121404863613² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121404863673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560702431806 + 560702431807.

It is an arithmetic number, because the mean of its divisors is an integer number (560702431807).

Almost surely, 2^{1121404863613} is an apocalyptic number.

It is an amenable number.

1121404863613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121404863613 is an equidigital number, since it uses as much as digits as its factorization.

1121404863613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 1121404863613 in words is "one trillion, one hundred twenty-one billion, four hundred four million, eight hundred sixty-three thousand, six hundred thirteen".