1118241426309 has 32 divisors (see below), whose sum is σ = 1793765376000. Its totient is φ = 605331745344.

The previous prime is 1118241426241. The next prime is 1118241426409. The reversal of 1118241426309 is 9036241428111.

It is not a de Polignac number, because 1118241426309 - 2¹⁵ = 1118241393541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118241426109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8806332 + ... + 8932410.

It is an arithmetic number, because the mean of its divisors is an integer number (56055168000).

Almost surely, 2^{1118241426309} is an apocalyptic number.

1118241426309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1118241426309 is a deficient number, since it is larger than the sum of its proper divisors (675523949691).

1118241426309 is a wasteful number, since it uses less digits than its factorization.

1118241426309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148337.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 1118241426309 in words is "one trillion, one hundred eighteen billion, two hundred forty-one million, four hundred twenty-six thousand, three hundred nine".