2545005252128 has 24 divisors (see below), whose sum is σ = 5018295790620. Its totient is φ = 1270517432320.

The previous prime is 2545005252109. The next prime is 2545005252133. The reversal of 2545005252128 is 8212525005452.

It can be written as a sum of positive squares in 2 ways, for example, as 2485755850384 + 59249401744 = 1576628^2 + 243412^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62016473 + ... + 62057496.

Almost surely, 2^{2545005252128} is an apocalyptic number.

It is an amenable number.

2545005252128 is a deficient number, since it is larger than the sum of its proper divisors (2473290538492).

2545005252128 is a wasteful number, since it uses less digits than its factorization.

2545005252128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124074620 (or 124074612 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 41.

The spelling of 2545005252128 in words is "two trillion, five hundred forty-five billion, five million, two hundred fifty-two thousand, one hundred twenty-eight".