11199999999959 has 2 divisors, whose sum is σ = 11199999999960. Its totient is φ = 11199999999958.

The previous prime is 11199999999899. The next prime is 11200000000003. The reversal of 11199999999959 is 95999999999111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11199999999959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11199999998959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599999999979 + 5599999999980.

It is an arithmetic number, because the mean of its divisors is an integer number (5599999999980).

Almost surely, 2^{11199999999959} is an apocalyptic number.

11199999999959 is a deficient number, since it is larger than the sum of its proper divisors (1).

11199999999959 is an equidigital number, since it uses as much as digits as its factorization.

11199999999959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17433922005, while the sum is 98.

The spelling of 11199999999959 in words is "eleven trillion, one hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty-nine".