1110729220729 has 2 divisors, whose sum is σ = 1110729220730. Its totient is φ = 1110729220728.

The previous prime is 1110729220697. The next prime is 1110729220747. The reversal of 1110729220729 is 9270229270111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 986436308025 + 124292912704 = 993195^2 + 352552^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110729220729 - 2⁵ = 1110729220697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110729220789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555364610364 + 555364610365.

It is an arithmetic number, because the mean of its divisors is an integer number (555364610365).

Almost surely, 2^{1110729220729} is an apocalyptic number.

It is an amenable number.

1110729220729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110729220729 is an equidigital number, since it uses as much as digits as its factorization.

1110729220729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 43.

The spelling of 1110729220729 in words is "one trillion, one hundred ten billion, seven hundred twenty-nine million, two hundred twenty thousand, seven hundred twenty-nine".