2500055255278 has 12 divisors (see below), whose sum is σ = 4362341312952. Its totient is φ = 1071452252220.

The previous prime is 2500055255267. The next prime is 2500055255281. The reversal of 2500055255278 is 8725525500052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12755383858 + ... + 12755384053.

It is an arithmetic number, because the mean of its divisors is an integer number (363528442746).

Almost surely, 2^{2500055255278} is an apocalyptic number.

2500055255278 is a deficient number, since it is larger than the sum of its proper divisors (1862286057674).

2500055255278 is a wasteful number, since it uses less digits than its factorization.

2500055255278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25510767927 (or 25510767920 counting only the distinct ones).

The product of its (nonzero) digits is 1400000, while the sum is 46.

The spelling of 2500055255278 in words is "two trillion, five hundred billion, fifty-five million, two hundred fifty-five thousand, two hundred seventy-eight".