2125422325521 has 24 divisors (see below), whose sum is σ = 3494765566656. Its totient is φ = 1232128883040.

The previous prime is 2125422325487. The next prime is 2125422325547. The reversal of 2125422325521 is 1255232245212.

2125422325521 is a `hidden beast` number, since 2 + 1 + 2 + 54 + 22 + 32 + 552 + 1 = 666.

It is not a de Polignac number, because 2125422325521 - 2⁷ = 2125422325393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125422325561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466713210 + ... + 466717763.

It is an arithmetic number, because the mean of its divisors is an integer number (145615231944).

Almost surely, 2^{2125422325521} is an apocalyptic number.

It is an amenable number.

2125422325521 is a deficient number, since it is larger than the sum of its proper divisors (1369343241135).

2125422325521 is a wasteful number, since it uses less digits than its factorization.

2125422325521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933431013 (or 933431010 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The spelling of 2125422325521 in words is "two trillion, one hundred twenty-five billion, four hundred twenty-two million, three hundred twenty-five thousand, five hundred twenty-one".