111009999053 has 2 divisors, whose sum is σ = 111009999054. Its totient is φ = 111009999052.

The previous prime is 111009999049. The next prime is 111009999083. The reversal of 111009999053 is 350999900111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104990256484 + 6019742569 = 324022^2 + 77587^2 .

It is a cyclic number.

It is not a de Polignac number, because 111009999053 - 2² = 111009999049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111009998989 and 111009999007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111009999083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55504999526 + 55504999527.

It is an arithmetic number, because the mean of its divisors is an integer number (55504999527).

Almost surely, 2^111009999053 is an apocalyptic number.

It is an amenable number.

111009999053 is a deficient number, since it is larger than the sum of its proper divisors (1).

111009999053 is an equidigital number, since it uses as much as digits as its factorization.

111009999053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98415, while the sum is 47.

The spelling of 111009999053 in words is "one hundred eleven billion, nine million, nine hundred ninety-nine thousand, fifty-three".