2505055250553 has 32 divisors (see below), whose sum is σ = 3737514493440. Its totient is φ = 1483140384000.

The previous prime is 2505055250549. The next prime is 2505055250561. The reversal of 2505055250553 is 3550525505052.

It is a happy number.

It is not a de Polignac number, because 2505055250553 - 2² = 2505055250549 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2505055250053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4906575 + ... + 5393012.

It is an arithmetic number, because the mean of its divisors is an integer number (116797327920).

Almost surely, 2^{2505055250553} is an apocalyptic number.

It is an amenable number.

2505055250553 is a deficient number, since it is larger than the sum of its proper divisors (1232459242887).

2505055250553 is a wasteful number, since it uses less digits than its factorization.

2505055250553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10299877.

The product of its (nonzero) digits is 937500, while the sum is 42.

The spelling of 2505055250553 in words is "two trillion, five hundred five billion, fifty-five million, two hundred fifty thousand, five hundred fifty-three".