102555444323149 has 2 divisors, whose sum is σ = 102555444323150. Its totient is φ = 102555444323148.

The previous prime is 102555444323081. The next prime is 102555444323153. The reversal of 102555444323149 is 941323444555201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98428423632100 + 4127020691049 = 9921110^2 + 2031507^2 .

It is an emirp because it is prime and its reverse (941323444555201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102555444323149 - 2⁹ = 102555444322637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102555444323096 and 102555444323105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102555444320149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51277722161574 + 51277722161575.

It is an arithmetic number, because the mean of its divisors is an integer number (51277722161575).

Almost surely, 2^{102555444323149} is an apocalyptic number.

It is an amenable number.

102555444323149 is a deficient number, since it is larger than the sum of its proper divisors (1).

102555444323149 is an equidigital number, since it uses as much as digits as its factorization.

102555444323149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 102555444323149 in words is "one hundred two trillion, five hundred fifty-five billion, four hundred forty-four million, three hundred twenty-three thousand, one hundred forty-nine".