18107230995 has 64 divisors (see below), whose sum is σ = 38953405440. Its totient is φ = 7790667264.

The previous prime is 18107230991. The next prime is 18107231003. The reversal of 18107230995 is 59903270181.

It is not a de Polignac number, because 18107230995 - 2² = 18107230991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 18107230995.

It is not an unprimeable number, because it can be changed into a prime (18107230991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 547497 + ... + 579626.

It is an arithmetic number, because the mean of its divisors is an integer number (608646960).

Almost surely, 2^18107230995 is an apocalyptic number.

18107230995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18107230995 is an abundant number, since it is smaller than the sum of its proper divisors (20846174445).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18107230995 is a wasteful number, since it uses less digits than its factorization.

18107230995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127161 (or 1127155 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 18107230995 in words is "eighteen billion, one hundred seven million, two hundred thirty thousand, nine hundred ninety-five".