2555623105671 has 8 divisors (see below), whose sum is σ = 3407575604224. Its totient is φ = 1703709672120.

The previous prime is 2555623105663. The next prime is 2555623105723. The reversal of 2555623105671 is 1765013265552.

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

It is not a de Polignac number, because 2555623105671 - 2³ = 2555623105663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2555623105671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555623105631) 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 7 ways as a sum of consecutive naturals, for example, 9613261 + ... + 9875526.

It is an arithmetic number, because the mean of its divisors is an integer number (425946950528).

Almost surely, 2^{2555623105671} is an apocalyptic number.

2555623105671 is a deficient number, since it is larger than the sum of its proper divisors (851952498553).

2555623105671 is a wasteful number, since it uses less digits than its factorization.

2555623105671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19532501.

The product of its (nonzero) digits is 1890000, while the sum is 48.

The spelling of 2555623105671 in words is "two trillion, five hundred fifty-five billion, six hundred twenty-three million, one hundred five thousand, six hundred seventy-one".