111130041891749 has 2 divisors, whose sum is σ = 111130041891750. Its totient is φ = 111130041891748.

The previous prime is 111130041891719. The next prime is 111130041891763. The reversal of 111130041891749 is 947198140031111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59029334133025 + 52100707758724 = 7683055^2 + 7218082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111130041891749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111130041891697 and 111130041891706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111130041891719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55565020945874 + 55565020945875.

It is an arithmetic number, because the mean of its divisors is an integer number (55565020945875).

Almost surely, 2^{111130041891749} is an apocalyptic number.

It is an amenable number.

111130041891749 is a deficient number, since it is larger than the sum of its proper divisors (1).

111130041891749 is an equidigital number, since it uses as much as digits as its factorization.

111130041891749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 50.

The spelling of 111130041891749 in words is "one hundred eleven trillion, one hundred thirty billion, forty-one million, eight hundred ninety-one thousand, seven hundred forty-nine".