111745756853 has 2 divisors, whose sum is σ = 111745756854. Its totient is φ = 111745756852.

The previous prime is 111745756849. The next prime is 111745756879. The reversal of 111745756853 is 358657547111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96015078769 + 15730678084 = 309863^2 + 125422^2 .

It is an emirp because it is prime and its reverse (358657547111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111745756853 - 2² = 111745756849 is a prime.

It is a super-2 number, since 2×111745756853² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111745756795 and 111745756804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111745756253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55872878426 + 55872878427.

It is an arithmetic number, because the mean of its divisors is an integer number (55872878427).

Almost surely, 2^111745756853 is an apocalyptic number.

It is an amenable number.

111745756853 is a deficient number, since it is larger than the sum of its proper divisors (1).

111745756853 is an equidigital number, since it uses as much as digits as its factorization.

111745756853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528000, while the sum is 53.

The spelling of 111745756853 in words is "one hundred eleven billion, seven hundred forty-five million, seven hundred fifty-six thousand, eight hundred fifty-three".