103111209017717 has 2 divisors, whose sum is σ = 103111209017718. Its totient is φ = 103111209017716.

The previous prime is 103111209017561. The next prime is 103111209017737. The reversal of 103111209017717 is 717710902111301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101273649837361 + 1837559180356 = 10063481^2 + 1355566^2 .

It is a cyclic number.

It is not a de Polignac number, because 103111209017717 - 2²⁰ = 103111207969141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103111209017737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51555604508858 + 51555604508859.

It is an arithmetic number, because the mean of its divisors is an integer number (51555604508859).

Almost surely, 2^{103111209017717} is an apocalyptic number.

It is an amenable number.

103111209017717 is a deficient number, since it is larger than the sum of its proper divisors (1).

103111209017717 is an equidigital number, since it uses as much as digits as its factorization.

103111209017717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18522, while the sum is 41.

The spelling of 103111209017717 in words is "one hundred three trillion, one hundred eleven billion, two hundred nine million, seventeen thousand, seven hundred seventeen".