2125448521522 has 16 divisors (see below), whose sum is σ = 3287852127000. Its totient is φ = 1029845733760.

The previous prime is 2125448521519. The next prime is 2125448521577. The reversal of 2125448521522 is 2251258445212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1523987781001 + 601460740521 = 1234499^2 + 775539^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86967997 + ... + 86992432.

Almost surely, 2^{2125448521522} is an apocalyptic number.

2125448521522 is a deficient number, since it is larger than the sum of its proper divisors (1162403605478).

2125448521522 is a wasteful number, since it uses less digits than its factorization.

2125448521522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173960621.

The product of its digits is 512000, while the sum is 43.

The spelling of 2125448521522 in words is "two trillion, one hundred twenty-five billion, four hundred forty-eight million, five hundred twenty-one thousand, five hundred twenty-two".