102990817159 has 2 divisors, whose sum is σ = 102990817160. Its totient is φ = 102990817158.

The previous prime is 102990817129. The next prime is 102990817229. The reversal of 102990817159 is 951718099201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102990817159 - 2⁹ = 102990816647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102990817129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51495408579 + 51495408580.

It is an arithmetic number, because the mean of its divisors is an integer number (51495408580).

Almost surely, 2^102990817159 is an apocalyptic number.

102990817159 is a deficient number, since it is larger than the sum of its proper divisors (1).

102990817159 is an equidigital number, since it uses as much as digits as its factorization.

102990817159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 52.

The spelling of 102990817159 in words is "one hundred two billion, nine hundred ninety million, eight hundred seventeen thousand, one hundred fifty-nine".