999995555511107 has 2 divisors, whose sum is σ = 999995555511108. Its totient is φ = 999995555511106.

The previous prime is 999995555511061. The next prime is 999995555511163. The reversal of 999995555511107 is 701115555599999.

It is a weak prime.

It is an emirp because it is prime and its reverse (701115555599999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999995555511107 - 2³⁴ = 999978375641923 is a prime.

It is a super-2 number, since 2×999995555511107² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (999995555516107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499997777755553 + 499997777755554.

It is an arithmetic number, because the mean of its divisors is an integer number (499997777755554).

Almost surely, 2^{999995555511107} is an apocalyptic number.

999995555511107 is a deficient number, since it is larger than the sum of its proper divisors (1).

999995555511107 is an equidigital number, since it uses as much as digits as its factorization.

999995555511107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1291696875, while the sum is 80.

The spelling of 999995555511107 in words is "nine hundred ninety-nine trillion, nine hundred ninety-five billion, five hundred fifty-five million, five hundred eleven thousand, one hundred seven".