11101131709 has 2 divisors, whose sum is σ = 11101131710. Its totient is φ = 11101131708.

The previous prime is 11101131689. The next prime is 11101131739. The reversal of 11101131709 is 90713110111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6955059609 + 4146072100 = 83397^2 + 64390^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101131709 - 2⁷ = 11101131581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101131739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550565854 + 5550565855.

It is an arithmetic number, because the mean of its divisors is an integer number (5550565855).

Almost surely, 2^11101131709 is an apocalyptic number.

It is an amenable number.

11101131709 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101131709 is an equidigital number, since it uses as much as digits as its factorization.

11101131709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 25.

The spelling of 11101131709 in words is "eleven billion, one hundred one million, one hundred thirty-one thousand, seven hundred nine".