11112103309 has 2 divisors, whose sum is σ = 11112103310. Its totient is φ = 11112103308.

The previous prime is 11112103297. The next prime is 11112103313. The reversal of 11112103309 is 90330121111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10138476100 + 973627209 = 100690^2 + 31203^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112103309 - 2¹³ = 11112095117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112103309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112143309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556051654 + 5556051655.

It is an arithmetic number, because the mean of its divisors is an integer number (5556051655).

Almost surely, 2^11112103309 is an apocalyptic number.

It is an amenable number.

11112103309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112103309 is an equidigital number, since it uses as much as digits as its factorization.

11112103309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 11112103309 in words is "eleven billion, one hundred twelve million, one hundred three thousand, three hundred nine".