111168141401 has 2 divisors, whose sum is σ = 111168141402. Its totient is φ = 111168141400.

The previous prime is 111168141379. The next prime is 111168141421. The reversal of 111168141401 is 104141861111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108211392025 + 2956749376 = 328955^2 + 54376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111168141401 is a prime.

It is not a weakly prime, because it can be changed into another prime (111168141421) 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, 55584070700 + 55584070701.

It is an arithmetic number, because the mean of its divisors is an integer number (55584070701).

Almost surely, 2^111168141401 is an apocalyptic number.

It is an amenable number.

111168141401 is a deficient number, since it is larger than the sum of its proper divisors (1).

111168141401 is an equidigital number, since it uses as much as digits as its factorization.

111168141401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 29.

The spelling of 111168141401 in words is "one hundred eleven billion, one hundred sixty-eight million, one hundred forty-one thousand, four hundred one".