2125414455517 has 2 divisors, whose sum is σ = 2125414455518. Its totient is φ = 2125414455516.

The previous prime is 2125414455497. The next prime is 2125414455551. The reversal of 2125414455517 is 7155544145212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2119394402596 + 6020052921 = 1455814^2 + 77589^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125414455517 - 2²³ = 2125406066909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125414455587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062707227758 + 1062707227759.

It is an arithmetic number, because the mean of its divisors is an integer number (1062707227759).

Almost surely, 2^{2125414455517} is an apocalyptic number.

It is an amenable number.

2125414455517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125414455517 is an equidigital number, since it uses as much as digits as its factorization.

2125414455517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120000, while the sum is 46.

The spelling of 2125414455517 in words is "two trillion, one hundred twenty-five billion, four hundred fourteen million, four hundred fifty-five thousand, five hundred seventeen".