11011109959 has 2 divisors, whose sum is σ = 11011109960. Its totient is φ = 11011109958.

The previous prime is 11011109947. The next prime is 11011109971. The reversal of 11011109959 is 95990111011.

It is a balanced prime because it is at equal distance from previous prime (11011109947) and next prime (11011109971).

It is an emirp because it is prime and its reverse (95990111011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11011109959 - 2¹⁷ = 11010978887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011109929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505554979 + 5505554980.

It is an arithmetic number, because the mean of its divisors is an integer number (5505554980).

Almost surely, 2^11011109959 is an apocalyptic number.

11011109959 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011109959 is an equidigital number, since it uses as much as digits as its factorization.

11011109959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 37.

The spelling of 11011109959 in words is "eleven billion, eleven million, one hundred nine thousand, nine hundred fifty-nine".