2555404050685 has 8 divisors (see below), whose sum is σ = 3066504776280. Its totient is φ = 2044309963584.

The previous prime is 2555404050679. The next prime is 2555404050767. The reversal of 2555404050685 is 5860504045552.

It can be written as a sum of positive squares in 4 ways, for example, as 206106012121 + 2349298038564 = 453989^2 + 1532742^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2555404050685 - 2³ = 2555404050677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769342 + ... + 2388031.

It is an arithmetic number, because the mean of its divisors is an integer number (383313097035).

Almost surely, 2^{2555404050685} is an apocalyptic number.

It is an amenable number.

2555404050685 is a deficient number, since it is larger than the sum of its proper divisors (511100725595).

2555404050685 is a wasteful number, since it uses less digits than its factorization.

2555404050685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319247.

The product of its (nonzero) digits is 4800000, while the sum is 49.

The spelling of 2555404050685 in words is "two trillion, five hundred fifty-five billion, four hundred four million, fifty thousand, six hundred eighty-five".