111047742749 has 2 divisors, whose sum is σ = 111047742750. Its totient is φ = 111047742748.

The previous prime is 111047742727. The next prime is 111047742763. The reversal of 111047742749 is 947247740111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55925155225 + 55122587524 = 236485^2 + 234782^2 .

It is a cyclic number.

It is not a de Polignac number, because 111047742749 - 2²⁰ = 111046694173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111047742149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55523871374 + 55523871375.

It is an arithmetic number, because the mean of its divisors is an integer number (55523871375).

Almost surely, 2^111047742749 is an apocalyptic number.

It is an amenable number.

111047742749 is a deficient number, since it is larger than the sum of its proper divisors (1).

111047742749 is an equidigital number, since it uses as much as digits as its factorization.

111047742749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 111047742749 in words is "one hundred eleven billion, forty-seven million, seven hundred forty-two thousand, seven hundred forty-nine".