2557780780303 has 12 divisors (see below), whose sum is σ = 3105244489072. Its totient is φ = 2063419787520.

The previous prime is 2557780780283. The next prime is 2557780780307. The reversal of 2557780780303 is 3030870877552.

It is not a de Polignac number, because 2557780780303 - 2⁵ = 2557780780271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557780780307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 632173158 + ... + 632177203.

Almost surely, 2^{2557780780303} is an apocalyptic number.

2557780780303 is a deficient number, since it is larger than the sum of its proper divisors (547463708769).

2557780780303 is a wasteful number, since it uses less digits than its factorization.

2557780780303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264350402 (or 1264350385 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 2557780780303 in words is "two trillion, five hundred fifty-seven billion, seven hundred eighty million, seven hundred eighty thousand, three hundred three".