18056103093 has 56 divisors (see below), whose sum is σ = 31331500800. Its totient is φ = 10186941024.

The previous prime is 18056103077. The next prime is 18056103127. The reversal of 18056103093 is 39030165081.

It is a happy number.

18056103093 is a `hidden beast` number, since 1 + 8 + 0 + 5 + 610 + 30 + 9 + 3 = 666.

It is not a de Polignac number, because 18056103093 - 2⁴ = 18056103077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18056103893) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 380743 + ... + 425531.

Almost surely, 2^18056103093 is an apocalyptic number.

It is an amenable number.

18056103093 is a deficient number, since it is larger than the sum of its proper divisors (13275397707).

18056103093 is an frugal number, since it uses more digits than its factorization.

18056103093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44893 (or 44878 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

Adding to 18056103093 its sum of digits (36), we get a square (18056103129 = 134373²).

The spelling of 18056103093 in words is "eighteen billion, fifty-six million, one hundred three thousand, ninety-three".