2555505505055 has 4 divisors (see below), whose sum is σ = 3066606606072. Its totient is φ = 2044404404040.

The previous prime is 2555505505051. The next prime is 2555505505127. The reversal of 2555505505055 is 5505055055552.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2555505505055 - 2² = 2555505505051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555505505051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255550550501 + ... + 255550550510.

It is an arithmetic number, because the mean of its divisors is an integer number (766651651518).

Almost surely, 2^{2555505505055} is an apocalyptic number.

2555505505055 is a deficient number, since it is larger than the sum of its proper divisors (511101101017).

2555505505055 is an equidigital number, since it uses as much as digits as its factorization.

2555505505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511101101016.

The product of its (nonzero) digits is 3906250, while the sum is 47.

The spelling of 2555505505055 in words is "two trillion, five hundred fifty-five billion, five hundred five million, five hundred five thousand, fifty-five".