18120151703 has 8 divisors (see below), whose sum is σ = 18243577440. Its totient is φ = 17996827680.

The previous prime is 18120151681. The next prime is 18120151717. The reversal of 18120151703 is 30715102181.

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

It is a cyclic number.

It is not a de Polignac number, because 18120151703 - 2¹² = 18120147607 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 (18122151703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350918 + ... + 399228.

It is an arithmetic number, because the mean of its divisors is an integer number (2280447180).

Almost surely, 2^18120151703 is an apocalyptic number.

18120151703 is a deficient number, since it is larger than the sum of its proper divisors (123425737).

18120151703 is a wasteful number, since it uses less digits than its factorization.

18120151703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50857.

The product of its (nonzero) digits is 1680, while the sum is 29.

Adding to 18120151703 its reverse (30715102181), we get a palindrome (48835253884).

The spelling of 18120151703 in words is "eighteen billion, one hundred twenty million, one hundred fifty-one thousand, seven hundred three".