1125283054657 has 2 divisors, whose sum is σ = 1125283054658. Its totient is φ = 1125283054656.

The previous prime is 1125283054633. The next prime is 1125283054717. The reversal of 1125283054657 is 7564503825211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1053094649616 + 72188405041 = 1026204^2 + 268679^2 .

It is an emirp because it is prime and its reverse (7564503825211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125283054657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1125283054657.

It is not a weakly prime, because it can be changed into another prime (1125283054607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562641527328 + 562641527329.

It is an arithmetic number, because the mean of its divisors is an integer number (562641527329).

Almost surely, 2^{1125283054657} is an apocalyptic number.

It is an amenable number.

1125283054657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125283054657 is an equidigital number, since it uses as much as digits as its factorization.

1125283054657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 49.

Adding to 1125283054657 its reverse (7564503825211), we get a palindrome (8689786879868).

The spelling of 1125283054657 in words is "one trillion, one hundred twenty-five billion, two hundred eighty-three million, fifty-four thousand, six hundred fifty-seven".