2555125650109 has 2 divisors, whose sum is σ = 2555125650110. Its totient is φ = 2555125650108.

The previous prime is 2555125650083. The next prime is 2555125650149. The reversal of 2555125650109 is 9010565215552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2026414884484 + 528710765625 = 1423522^2 + 727125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2555125650109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555125650149) 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, 1277562825054 + 1277562825055.

It is an arithmetic number, because the mean of its divisors is an integer number (1277562825055).

Almost surely, 2^{2555125650109} is an apocalyptic number.

It is an amenable number.

2555125650109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555125650109 is an equidigital number, since it uses as much as digits as its factorization.

2555125650109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 2555125650109 in words is "two trillion, five hundred fifty-five billion, one hundred twenty-five million, six hundred fifty thousand, one hundred nine".