111011111099953 has 2 divisors, whose sum is σ = 111011111099954. Its totient is φ = 111011111099952.

The previous prime is 111011111099899. The next prime is 111011111100007. The reversal of 111011111099953 is 359990111110111.

It is a balanced prime because it is at equal distance from previous prime (111011111099899) and next prime (111011111100007).

It can be written as a sum of positive squares in only one way, i.e., 110996085979024 + 15025120929 = 10535468^2 + 122577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111011111099953 is a prime.

It is a super-2 number, since 2×111011111099953² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111011111099353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505555549976 + 55505555549977.

It is an arithmetic number, because the mean of its divisors is an integer number (55505555549977).

Almost surely, 2^{111011111099953} is an apocalyptic number.

It is an amenable number.

111011111099953 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011111099953 is an equidigital number, since it uses as much as digits as its factorization.

111011111099953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935, while the sum is 43.

The spelling of 111011111099953 in words is "one hundred eleven trillion, eleven billion, one hundred eleven million, ninety-nine thousand, nine hundred fifty-three".