18211125914 has 8 divisors (see below), whose sum is σ = 27338050560. Its totient is φ = 9098442396.

The previous prime is 18211125893. The next prime is 18211125953. The reversal of 18211125914 is 41952111281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3557084 + ... + 3562199.

It is an arithmetic number, because the mean of its divisors is an integer number (3417256320).

Almost surely, 2^18211125914 is an apocalyptic number.

18211125914 is a deficient number, since it is larger than the sum of its proper divisors (9126924646).

18211125914 is a wasteful number, since it uses less digits than its factorization.

18211125914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120564.

The product of its digits is 5760, while the sum is 35.

The spelling of 18211125914 in words is "eighteen billion, two hundred eleven million, one hundred twenty-five thousand, nine hundred fourteen".