2506503025305 has 24 divisors (see below), whose sum is σ = 4409450103552. Its totient is φ = 1316849349024.

The previous prime is 2506503025253. The next prime is 2506503025441. The reversal of 2506503025305 is 5035203056052.

2506503025305 is a `hidden beast` number, since 250 + 6 + 50 + 30 + 25 + 305 = 666.

It is not a de Polignac number, because 2506503025305 - 2²⁰ = 2506501976729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2506503025305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 415669129 + ... + 415675158.

It is an arithmetic number, because the mean of its divisors is an integer number (183727087648).

Almost surely, 2^{2506503025305} is an apocalyptic number.

It is an amenable number.

2506503025305 is a deficient number, since it is larger than the sum of its proper divisors (1902947078247).

2506503025305 is a wasteful number, since it uses less digits than its factorization.

2506503025305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831344365 (or 831344362 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 2506503025305 in words is "two trillion, five hundred six billion, five hundred three million, twenty-five thousand, three hundred five".