111111263369 has 2 divisors, whose sum is σ = 111111263370. Its totient is φ = 111111263368.

The previous prime is 111111263363. The next prime is 111111263371. The reversal of 111111263369 is 963362111111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86151055225 + 24960208144 = 293515^2 + 157988^2 .

It is an emirp because it is prime and its reverse (963362111111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111111263369 - 2⁴ = 111111263353 is a prime.

It is a super-2 number, since 2×111111263369² (a number of 23 digits) contains 22 as substring.

Together with 111111263371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111111263363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555631684 + 55555631685.

It is an arithmetic number, because the mean of its divisors is an integer number (55555631685).

Almost surely, 2^111111263369 is an apocalyptic number.

It is an amenable number.

111111263369 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111263369 is an equidigital number, since it uses as much as digits as its factorization.

111111263369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 35.

The spelling of 111111263369 in words is "one hundred eleven billion, one hundred eleven million, two hundred sixty-three thousand, three hundred sixty-nine".