11115132015109 has 2 divisors, whose sum is σ = 11115132015110. Its totient is φ = 11115132015108.

The previous prime is 11115132015089. The next prime is 11115132015167. The reversal of 11115132015109 is 90151023151111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7154972314884 + 3960159700225 = 2674878^2 + 1990015^2 .

It is a cyclic number.

It is not a de Polignac number, because 11115132015109 - 2³¹ = 11112984531461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11115132015179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557566007554 + 5557566007555.

It is an arithmetic number, because the mean of its divisors is an integer number (5557566007555).

Almost surely, 2^{11115132015109} is an apocalyptic number.

It is an amenable number.

11115132015109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115132015109 is an equidigital number, since it uses as much as digits as its factorization.

11115132015109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 31.

The spelling of 11115132015109 in words is "eleven trillion, one hundred fifteen billion, one hundred thirty-two million, fifteen thousand, one hundred nine".