102808819559 has 2 divisors, whose sum is σ = 102808819560. Its totient is φ = 102808819558.

The previous prime is 102808819543. The next prime is 102808819573. The reversal of 102808819559 is 955918808201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102808819559 - 2⁴ = 102808819543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102808819579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51404409779 + 51404409780.

It is an arithmetic number, because the mean of its divisors is an integer number (51404409780).

Almost surely, 2^102808819559 is an apocalyptic number.

102808819559 is a deficient number, since it is larger than the sum of its proper divisors (1).

102808819559 is an equidigital number, since it uses as much as digits as its factorization.

102808819559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 56.

The spelling of 102808819559 in words is "one hundred two billion, eight hundred eight million, eight hundred nineteen thousand, five hundred fifty-nine".