2558307503257 has 24 divisors (see below), whose sum is σ = 2871960567840. Its totient is φ = 2276500881600.

The previous prime is 2558307503231. The next prime is 2558307503273. The reversal of 2558307503257 is 7523057038552.

2558307503257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2558307503257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2558307503657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 894382 + ... + 2432392.

It is an arithmetic number, because the mean of its divisors is an integer number (119665023660).

Almost surely, 2^{2558307503257} is an apocalyptic number.

It is an amenable number.

2558307503257 is a deficient number, since it is larger than the sum of its proper divisors (313653064583).

2558307503257 is a wasteful number, since it uses less digits than its factorization.

2558307503257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538325 (or 1538314 counting only the distinct ones).

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 2558307503257 in words is "two trillion, five hundred fifty-eight billion, three hundred seven million, five hundred three thousand, two hundred fifty-seven".