2512565128 has 16 divisors (see below), whose sum is σ = 4863029760. Its totient is φ = 1215757200.

The previous prime is 2512565087. The next prime is 2512565129. The reversal of 2512565128 is 8215652152.

It is not an unprimeable number, because it can be changed into a prime (2512565129) 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, 5065408 + ... + 5065903.

It is an arithmetic number, because the mean of its divisors is an integer number (303939360).

Almost surely, 2^2512565128 is an apocalyptic number.

It is an amenable number.

2512565128 is a deficient number, since it is larger than the sum of its proper divisors (2350464632).

2512565128 is a wasteful number, since it uses less digits than its factorization.

2512565128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10131348 (or 10131344 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

The square root of 2512565128 is about 50125.4937930790. The cubic root of 2512565128 is about 1359.4788098064.

The spelling of 2512565128 in words is "two billion, five hundred twelve million, five hundred sixty-five thousand, one hundred twenty-eight".