2505857842496 has 28 divisors (see below), whose sum is σ = 5000341353120. Its totient is φ = 1245929312640.

The previous prime is 2505857842493. The next prime is 2505857842577. The reversal of 2505857842496 is 6942487585052.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505857842493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109357340 + ... + 109380251.

Almost surely, 2^{2505857842496} is an apocalyptic number.

It is an amenable number.

2505857842496 is a deficient number, since it is larger than the sum of its proper divisors (2494483510624).

2505857842496 is a wasteful number, since it uses less digits than its factorization.

2505857842496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218737782 (or 218737772 counting only the distinct ones).

The product of its (nonzero) digits is 193536000, while the sum is 65.

The spelling of 2505857842496 in words is "two trillion, five hundred five billion, eight hundred fifty-seven million, eight hundred forty-two thousand, four hundred ninety-six".