2555859085805 has 8 divisors (see below), whose sum is σ = 3067061842944. Its totient is φ = 2044666642000.

The previous prime is 2555859085723. The next prime is 2555859085837. The reversal of 2555859085805 is 5085809585552.

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

It is not a de Polignac number, because 2555859085805 - 2¹² = 2555859081709 is a prime.

It is a Duffinian number.

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, 2022221 + ... + 3033330.

It is an arithmetic number, because the mean of its divisors is an integer number (383382730368).

Almost surely, 2^{2555859085805} is an apocalyptic number.

It is an amenable number.

2555859085805 is a deficient number, since it is larger than the sum of its proper divisors (511202757139).

2555859085805 is a wasteful number, since it uses less digits than its factorization.

2555859085805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156667.

The product of its (nonzero) digits is 144000000, while the sum is 65.

The spelling of 2555859085805 in words is "two trillion, five hundred fifty-five billion, eight hundred fifty-nine million, eighty-five thousand, eight hundred five".