1111695899911 has 2 divisors, whose sum is σ = 1111695899912. Its totient is φ = 1111695899910.

The previous prime is 1111695899887. The next prime is 1111695899917. The reversal of 1111695899911 is 1199985961111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111695899911 - 2⁵ = 1111695899879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111695899911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111695899917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555847949955 + 555847949956.

It is an arithmetic number, because the mean of its divisors is an integer number (555847949956).

Almost surely, 2^{1111695899911} is an apocalyptic number.

1111695899911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111695899911 is an equidigital number, since it uses as much as digits as its factorization.

1111695899911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 61.

The spelling of 1111695899911 in words is "one trillion, one hundred eleven billion, six hundred ninety-five million, eight hundred ninety-nine thousand, nine hundred eleven".