2555005105397 has 2 divisors, whose sum is σ = 2555005105398. Its totient is φ = 2555005105396.

The previous prime is 2555005105381. The next prime is 2555005105427. The reversal of 2555005105397 is 7935015005552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2533489789636 + 21515315761 = 1591694^2 + 146681^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555005105397 - 2⁴ = 2555005105381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555005105307) 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 as a sum of consecutive naturals, namely, 1277502552698 + 1277502552699.

It is an arithmetic number, because the mean of its divisors is an integer number (1277502552699).

Almost surely, 2^{2555005105397} is an apocalyptic number.

It is an amenable number.

2555005105397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555005105397 is an equidigital number, since it uses as much as digits as its factorization.

2555005105397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1181250, while the sum is 47.

The spelling of 2555005105397 in words is "two trillion, five hundred fifty-five billion, five million, one hundred five thousand, three hundred ninety-seven".