11403202209989 has 2 divisors, whose sum is σ = 11403202209990. Its totient is φ = 11403202209988.

The previous prime is 11403202209907. The next prime is 11403202210007. The reversal of 11403202209989 is 98990220230411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6326945376964 + 5076256833025 = 2515342^2 + 2253055^2 .

It is an emirp because it is prime and its reverse (98990220230411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11403202209989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11403202202989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701601104994 + 5701601104995.

It is an arithmetic number, because the mean of its divisors is an integer number (5701601104995).

Almost surely, 2^{11403202209989} is an apocalyptic number.

It is an amenable number.

11403202209989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403202209989 is an equidigital number, since it uses as much as digits as its factorization.

11403202209989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 11403202209989 in words is "eleven trillion, four hundred three billion, two hundred two million, two hundred nine thousand, nine hundred eighty-nine".