2555344515399 has 16 divisors (see below), whose sum is σ = 3669245580000. Its totient is φ = 1572505583616.

The previous prime is 2555344515377. The next prime is 2555344515443. The reversal of 2555344515399 is 9935154435552.

It is not a de Polignac number, because 2555344515399 - 2⁷ = 2555344515271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555344515499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5601207 + ... + 6040215.

It is an arithmetic number, because the mean of its divisors is an integer number (229327848750).

Almost surely, 2^{2555344515399} is an apocalyptic number.

2555344515399 is a deficient number, since it is larger than the sum of its proper divisors (1113901064601).

2555344515399 is a wasteful number, since it uses less digits than its factorization.

2555344515399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588274.

The product of its digits is 72900000, while the sum is 60.

The spelling of 2555344515399 in words is "two trillion, five hundred fifty-five billion, three hundred forty-four million, five hundred fifteen thousand, three hundred ninety-nine".