1056312453239 has 2 divisors, whose sum is σ = 1056312453240. Its totient is φ = 1056312453238.

The previous prime is 1056312453221. The next prime is 1056312453349. The reversal of 1056312453239 is 9323542136501.

It is a weak prime.

It is an emirp because it is prime and its reverse (9323542136501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056312453239 is a prime.

It is a super-2 number, since 2×1056312453239² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1056312453239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056312456239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528156226619 + 528156226620.

It is an arithmetic number, because the mean of its divisors is an integer number (528156226620).

Almost surely, 2^{1056312453239} is an apocalyptic number.

1056312453239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056312453239 is an equidigital number, since it uses as much as digits as its factorization.

1056312453239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 1056312453239 in words is "one trillion, fifty-six billion, three hundred twelve million, four hundred fifty-three thousand, two hundred thirty-nine".