11331132111109 has 2 divisors, whose sum is σ = 11331132111110. Its totient is φ = 11331132111108.

The previous prime is 11331132111067. The next prime is 11331132111133. The reversal of 11331132111109 is 90111123113311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8559896032900 + 2771236078209 = 2925730^2 + 1664703^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331132111109 - 2⁷ = 11331132110981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331132111179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665566055554 + 5665566055555.

It is an arithmetic number, because the mean of its divisors is an integer number (5665566055555).

Almost surely, 2^{11331132111109} is an apocalyptic number.

It is an amenable number.

11331132111109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331132111109 is an equidigital number, since it uses as much as digits as its factorization.

11331132111109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 11331132111109 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-two million, one hundred eleven thousand, one hundred nine".