11111000099977 has 2 divisors, whose sum is σ = 11111000099978. Its totient is φ = 11111000099976.

The previous prime is 11111000099911. The next prime is 11111000100047. The reversal of 11111000099977 is 77999000011111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11028702260601 + 82297839376 = 3320949^2 + 286876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111000099977 is a prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (11111000099077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555500049988 + 5555500049989.

It is an arithmetic number, because the mean of its divisors is an integer number (5555500049989).

Almost surely, 2^{11111000099977} is an apocalyptic number.

It is an amenable number.

11111000099977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111000099977 is an equidigital number, since it uses as much as digits as its factorization.

11111000099977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35721, while the sum is 46.

The spelling of 11111000099977 in words is "eleven trillion, one hundred eleven billion, ninety-nine thousand, nine hundred seventy-seven".