111678455753 has 2 divisors, whose sum is σ = 111678455754. Its totient is φ = 111678455752.

The previous prime is 111678455689. The next prime is 111678455831. The reversal of 111678455753 is 357554876111.

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., 111253601209 + 424854544 = 333547^2 + 20612^2 .

It is a cyclic number.

It is not a de Polignac number, because 111678455753 - 2⁶ = 111678455689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111678455695 and 111678455704.

It is not a weakly prime, because it can be changed into another prime (111678455153) 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, 55839227876 + 55839227877.

It is an arithmetic number, because the mean of its divisors is an integer number (55839227877).

Almost surely, 2^111678455753 is an apocalyptic number.

It is an amenable number.

111678455753 is a deficient number, since it is larger than the sum of its proper divisors (1).

111678455753 is an equidigital number, since it uses as much as digits as its factorization.

111678455753 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 111678455753 in words is "one hundred eleven billion, six hundred seventy-eight million, four hundred fifty-five thousand, seven hundred fifty-three".