2125448521519 has 2 divisors, whose sum is σ = 2125448521520. Its totient is φ = 2125448521518.

The previous prime is 2125448521513. The next prime is 2125448521577. The reversal of 2125448521519 is 9151258445212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125448521519 is a prime.

It is a super-2 number, since 2×2125448521519² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125448521513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062724260759 + 1062724260760.

It is an arithmetic number, because the mean of its divisors is an integer number (1062724260760).

Almost surely, 2^{2125448521519} is an apocalyptic number.

2125448521519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125448521519 is an equidigital number, since it uses as much as digits as its factorization.

2125448521519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152000, while the sum is 49.

The spelling of 2125448521519 in words is "two trillion, one hundred twenty-five billion, four hundred forty-eight million, five hundred twenty-one thousand, five hundred nineteen".