125255445361 has 2 divisors, whose sum is σ = 125255445362. Its totient is φ = 125255445360.

The previous prime is 125255445311. The next prime is 125255445407. The reversal of 125255445361 is 163544552521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125043568225 + 211877136 = 353615^2 + 14556^2 .

It is a cyclic number.

It is not a de Polignac number, because 125255445361 - 2¹⁵ = 125255412593 is a prime.

It is not a weakly prime, because it can be changed into another prime (125255445311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62627722680 + 62627722681.

It is an arithmetic number, because the mean of its divisors is an integer number (62627722681).

Almost surely, 2^125255445361 is an apocalyptic number.

It is an amenable number.

125255445361 is a deficient number, since it is larger than the sum of its proper divisors (1).

125255445361 is an equidigital number, since it uses as much as digits as its factorization.

125255445361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720000, while the sum is 43.

Adding to 125255445361 its reverse (163544552521), we get a palindrome (288799997882).

The spelling of 125255445361 in words is "one hundred twenty-five billion, two hundred fifty-five million, four hundred forty-five thousand, three hundred sixty-one".