125013620522377 has 2 divisors, whose sum is σ = 125013620522378. Its totient is φ = 125013620522376.

The previous prime is 125013620522327. The next prime is 125013620522389. The reversal of 125013620522377 is 773225026310521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109445513947641 + 15568106574736 = 10461621^2 + 3945644^2 .

It is a cyclic number.

It is not a de Polignac number, because 125013620522377 - 2⁷ = 125013620522249 is a prime.

It is a super-2 number, since 2×125013620522377² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125013620522327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62506810261188 + 62506810261189.

It is an arithmetic number, because the mean of its divisors is an integer number (62506810261189).

Almost surely, 2^{125013620522377} is an apocalyptic number.

It is an amenable number.

125013620522377 is a deficient number, since it is larger than the sum of its proper divisors (1).

125013620522377 is an equidigital number, since it uses as much as digits as its factorization.

125013620522377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 46.

Adding to 125013620522377 its reverse (773225026310521), we get a palindrome (898238646832898).

The spelling of 125013620522377 in words is "one hundred twenty-five trillion, thirteen billion, six hundred twenty million, five hundred twenty-two thousand, three hundred seventy-seven".