103405506247 has 2 divisors, whose sum is σ = 103405506248. Its totient is φ = 103405506246.

The previous prime is 103405506223. The next prime is 103405506313. The reversal of 103405506247 is 742605504301.

It is a weak prime.

It is an emirp because it is prime and its reverse (742605504301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103405506247 - 2⁷ = 103405506119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103405501247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51702753123 + 51702753124.

It is an arithmetic number, because the mean of its divisors is an integer number (51702753124).

Almost surely, 2^103405506247 is an apocalyptic number.

103405506247 is a deficient number, since it is larger than the sum of its proper divisors (1).

103405506247 is an equidigital number, since it uses as much as digits as its factorization.

103405506247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 103405506247 in words is "one hundred three billion, four hundred five million, five hundred six thousand, two hundred forty-seven".