111400320001409 has 2 divisors, whose sum is σ = 111400320001410. Its totient is φ = 111400320001408.

The previous prime is 111400320001403. The next prime is 111400320001417. The reversal of 111400320001409 is 904100023004111.

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., 82563119280625 + 28837200720784 = 9086425^2 + 5370028^2 .

It is a cyclic number.

It is not a de Polignac number, because 111400320001409 - 2²⁸ = 111400051565953 is a prime.

It is a super-4 number, since 4×111400320001409⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (111400320001403) 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, 55700160000704 + 55700160000705.

It is an arithmetic number, because the mean of its divisors is an integer number (55700160000705).

Almost surely, 2^{111400320001409} is an apocalyptic number.

It is an amenable number.

111400320001409 is a deficient number, since it is larger than the sum of its proper divisors (1).

111400320001409 is an equidigital number, since it uses as much as digits as its factorization.

111400320001409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 111400320001409 in words is "one hundred eleven trillion, four hundred billion, three hundred twenty million, one thousand, four hundred nine".