111111547187341 has 2 divisors, whose sum is σ = 111111547187342. Its totient is φ = 111111547187340.

The previous prime is 111111547187317. The next prime is 111111547187369. The reversal of 111111547187341 is 143781745111111.

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., 108017483777316 + 3094063410025 = 10393146^2 + 1758995^2 .

It is a cyclic number.

It is not a de Polignac number, because 111111547187341 - 2¹⁷ = 111111547056269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111111547187291 and 111111547187300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111111547157341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555773593670 + 55555773593671.

It is an arithmetic number, because the mean of its divisors is an integer number (55555773593671).

Almost surely, 2^{111111547187341} is an apocalyptic number.

It is an amenable number.

111111547187341 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111547187341 is an equidigital number, since it uses as much as digits as its factorization.

111111547187341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 46.

The spelling of 111111547187341 in words is "one hundred eleven trillion, one hundred eleven billion, five hundred forty-seven million, one hundred eighty-seven thousand, three hundred forty-one".