1111110440129 has 4 divisors (see below), whose sum is σ = 1111731520980. Its totient is φ = 1110489359280.

The previous prime is 1111110440059. The next prime is 1111110440137. The reversal of 1111110440129 is 9210440111111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1091707343104 + 19403097025 = 1044848^2 + 139295^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111110440129 - 2⁴⁰ = 11598812353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111110440098 and 1111110440107.

It is not an unprimeable number, because it can be changed into a prime (1111110460129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310537742 + ... + 310541319.

It is an arithmetic number, because the mean of its divisors is an integer number (277932880245).

Almost surely, 2^{1111110440129} is an apocalyptic number.

It is an amenable number.

1111110440129 is a deficient number, since it is larger than the sum of its proper divisors (621080851).

1111110440129 is an equidigital number, since it uses as much as digits as its factorization.

1111110440129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621080850.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 1111110440129 in words is "one trillion, one hundred eleven billion, one hundred ten million, four hundred forty thousand, one hundred twenty-nine".