1125812593369 has 2 divisors, whose sum is σ = 1125812593370. Its totient is φ = 1125812593368.

The previous prime is 1125812593291. The next prime is 1125812593397. The reversal of 1125812593369 is 9633952185211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1055780910144 + 70031683225 = 1027512^2 + 264635^2 .

It is an emirp because it is prime and its reverse (9633952185211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1125812593369 - 2¹⁵ = 1125812560601 is a prime.

It is a super-2 number, since 2×1125812593369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1125812593469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562906296684 + 562906296685.

It is an arithmetic number, because the mean of its divisors is an integer number (562906296685).

Almost surely, 2^{1125812593369} is an apocalyptic number.

It is an amenable number.

1125812593369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125812593369 is an equidigital number, since it uses as much as digits as its factorization.

1125812593369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 55.

The spelling of 1125812593369 in words is "one trillion, one hundred twenty-five billion, eight hundred twelve million, five hundred ninety-three thousand, three hundred sixty-nine".