18302492115 has 12 divisors (see below), whose sum is σ = 31724319744. Its totient is φ = 9761329104.

The previous prime is 18302492081. The next prime is 18302492137. The reversal of 18302492115 is 51129420381.

It is not a de Polignac number, because 18302492115 - 2⁸ = 18302491859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18302492115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203360979 + ... + 203361068.

It is an arithmetic number, because the mean of its divisors is an integer number (2643693312).

Almost surely, 2^18302492115 is an apocalyptic number.

18302492115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18302492115 is a deficient number, since it is larger than the sum of its proper divisors (13421827629).

18302492115 is a wasteful number, since it uses less digits than its factorization.

18302492115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406722058 (or 406722055 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 18302492115 in words is "eighteen billion, three hundred two million, four hundred ninety-two thousand, one hundred fifteen".