1121247469519 has 2 divisors, whose sum is σ = 1121247469520. Its totient is φ = 1121247469518.

The previous prime is 1121247469499. The next prime is 1121247469649. The reversal of 1121247469519 is 9159647421211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121247469519 is a prime.

It is a super-2 number, since 2×1121247469519² (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 (1121247460519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560623734759 + 560623734760.

It is an arithmetic number, because the mean of its divisors is an integer number (560623734760).

Almost surely, 2^{1121247469519} is an apocalyptic number.

1121247469519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121247469519 is an equidigital number, since it uses as much as digits as its factorization.

1121247469519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 52.

The spelling of 1121247469519 in words is "one trillion, one hundred twenty-one billion, two hundred forty-seven million, four hundred sixty-nine thousand, five hundred nineteen".