2125545112 has 16 divisors (see below), whose sum is σ = 3990060360. Its totient is φ = 1061529024.

The previous prime is 2125545109. The next prime is 2125545113. The reversal of 2125545112 is 2115455212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125545113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148158 + ... + 161869.

Almost surely, 2^2125545112 is an apocalyptic number.

It is an amenable number.

2125545112 is a deficient number, since it is larger than the sum of its proper divisors (1864515248).

2125545112 is a wasteful number, since it uses less digits than its factorization.

2125545112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310890 (or 310886 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 2125545112 is about 46103.6344771212. The cubic root of 2125545112 is about 1285.7507182010.

The spelling of 2125545112 in words is "two billion, one hundred twenty-five million, five hundred forty-five thousand, one hundred twelve".