1121506553303 has 2 divisors, whose sum is σ = 1121506553304. Its totient is φ = 1121506553302.

The previous prime is 1121506553263. The next prime is 1121506553341. The reversal of 1121506553303 is 3033556051211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121506553303 - 2¹⁰ = 1121506552279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121506553803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560753276651 + 560753276652.

It is an arithmetic number, because the mean of its divisors is an integer number (560753276652).

Almost surely, 2^{1121506553303} is an apocalyptic number.

1121506553303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121506553303 is an equidigital number, since it uses as much as digits as its factorization.

1121506553303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 35.

The spelling of 1121506553303 in words is "one trillion, one hundred twenty-one billion, five hundred six million, five hundred fifty-three thousand, three hundred three".