225126057157 has 2 divisors, whose sum is σ = 225126057158. Its totient is φ = 225126057156.

The previous prime is 225126057109. The next prime is 225126057203. The reversal of 225126057157 is 751750621522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196236596196 + 28889460961 = 442986^2 + 169969^2 .

It is a cyclic number.

It is not a de Polignac number, because 225126057157 - 2¹¹ = 225126055109 is a prime.

It is a super-2 number, since 2×225126057157² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225126057257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112563028578 + 112563028579.

It is an arithmetic number, because the mean of its divisors is an integer number (112563028579).

Almost surely, 2^225126057157 is an apocalyptic number.

It is an amenable number.

225126057157 is a deficient number, since it is larger than the sum of its proper divisors (1).

225126057157 is an equidigital number, since it uses as much as digits as its factorization.

225126057157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294000, while the sum is 43.

Adding to 225126057157 its reverse (751750621522), we get a palindrome (976876678679).

The spelling of 225126057157 in words is "two hundred twenty-five billion, one hundred twenty-six million, fifty-seven thousand, one hundred fifty-seven".