2555811504246 has 144 divisors (see below), whose sum is σ = 7038637914672. Its totient is φ = 612781868160.

The previous prime is 2555811504229. The next prime is 2555811504251. The reversal of 2555811504246 is 6424051185552.

It is a junction number, because it is equal to n+sod(n) for n = 2555811504195 and 2555811504204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2300805 + ... + 3225728.

It is an arithmetic number, because the mean of its divisors is an integer number (48879429963).

Almost surely, 2^{2555811504246} is an apocalyptic number.

2555811504246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2555811504246 is an abundant number, since it is smaller than the sum of its proper divisors (4482826410426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555811504246 is a wasteful number, since it uses less digits than its factorization.

2555811504246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526587 (or 5526569 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 48.

Adding to 2555811504246 its reverse (6424051185552), we get a palindrome (8979862689798).

The spelling of 2555811504246 in words is "two trillion, five hundred fifty-five billion, eight hundred eleven million, five hundred four thousand, two hundred forty-six".