18119129903 has 16 divisors (see below), whose sum is σ = 20755200000. Its totient is φ = 15495017472.

The previous prime is 18119129893. The next prime is 18119129909. The reversal of 18119129903 is 30992191181.

It is a cyclic number.

It is not a de Polignac number, because 18119129903 - 2⁴ = 18119129887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18119129909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9063098 + ... + 9065096.

It is an arithmetic number, because the mean of its divisors is an integer number (1297200000).

Almost surely, 2^18119129903 is an apocalyptic number.

18119129903 is a deficient number, since it is larger than the sum of its proper divisors (2636070097).

18119129903 is a wasteful number, since it uses less digits than its factorization.

18119129903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334.

The product of its (nonzero) digits is 34992, while the sum is 44.

The spelling of 18119129903 in words is "eighteen billion, one hundred nineteen million, one hundred twenty-nine thousand, nine hundred three".