1056257485289 has 2 divisors, whose sum is σ = 1056257485290. Its totient is φ = 1056257485288.

The previous prime is 1056257485253. The next prime is 1056257485319. The reversal of 1056257485289 is 9825847526501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 790525483225 + 265732002064 = 889115^2 + 515492^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056257485289 - 2²⁰ = 1056256436713 is a prime.

It is a super-2 number, since 2×1056257485289² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1056257485489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528128742644 + 528128742645.

It is an arithmetic number, because the mean of its divisors is an integer number (528128742645).

Almost surely, 2^{1056257485289} is an apocalyptic number.

It is an amenable number.

1056257485289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056257485289 is an equidigital number, since it uses as much as digits as its factorization.

1056257485289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384000, while the sum is 62.

The spelling of 1056257485289 in words is "one trillion, fifty-six billion, two hundred fifty-seven million, four hundred eighty-five thousand, two hundred eighty-nine".