625126625515361 has 2 divisors, whose sum is σ = 625126625515362. Its totient is φ = 625126625515360.

The previous prime is 625126625515331. The next prime is 625126625515459. The reversal of 625126625515361 is 163515526621526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455777239123600 + 169349386391761 = 21348940^2 + 13013431^2 .

It is a cyclic number.

It is not a de Polignac number, because 625126625515361 - 2¹⁰ = 625126625514337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625126625515297 and 625126625515306.

It is not a weakly prime, because it can be changed into another prime (625126625515331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312563312757680 + 312563312757681.

It is an arithmetic number, because the mean of its divisors is an integer number (312563312757681).

Almost surely, 2^{625126625515361} is an apocalyptic number.

It is an amenable number.

625126625515361 is a deficient number, since it is larger than the sum of its proper divisors (1).

625126625515361 is an equidigital number, since it uses as much as digits as its factorization.

625126625515361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440000, while the sum is 56.

The spelling of 625126625515361 in words is "six hundred twenty-five trillion, one hundred twenty-six billion, six hundred twenty-five million, five hundred fifteen thousand, three hundred sixty-one".