11115436014911 has 2 divisors, whose sum is σ = 11115436014912. Its totient is φ = 11115436014910.

The previous prime is 11115436014901. The next prime is 11115436014929. The reversal of 11115436014911 is 11941063451111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11115436014911 - 2⁶ = 11115436014847 is a prime.

It is a super-2 number, since 2×11115436014911² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11115436014901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557718007455 + 5557718007456.

It is an arithmetic number, because the mean of its divisors is an integer number (5557718007456).

Almost surely, 2^{11115436014911} is an apocalyptic number.

11115436014911 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115436014911 is an equidigital number, since it uses as much as digits as its factorization.

11115436014911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 38.

The spelling of 11115436014911 in words is "eleven trillion, one hundred fifteen billion, four hundred thirty-six million, fourteen thousand, nine hundred eleven".