18287251130 has 16 divisors (see below), whose sum is σ = 33682565664. Its totient is φ = 7144786320.

The previous prime is 18287251117. The next prime is 18287251139. The reversal of 18287251130 is 3115278281.

It is not an unprimeable number, because it can be changed into a prime (18287251139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21263816 + ... + 21264675.

It is an arithmetic number, because the mean of its divisors is an integer number (2105160354).

Almost surely, 2^18287251130 is an apocalyptic number.

18287251130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18287251130 is a deficient number, since it is larger than the sum of its proper divisors (15395314534).

18287251130 is a wasteful number, since it uses less digits than its factorization.

18287251130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42528541.

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 18287251130 in words is "eighteen billion, two hundred eighty-seven million, two hundred fifty-one thousand, one hundred thirty".