18687418835041 has 32 divisors (see below), whose sum is σ = 22723026577920. Its totient is φ = 15146708947200.

The previous prime is 18687418835009. The next prime is 18687418835069. The reversal of 18687418835041 is 14053881478681.

It is a cyclic number.

It is not a de Polignac number, because 18687418835041 - 2⁵ = 18687418835009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18687418835641) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 57007890 + ... + 57334756.

It is an arithmetic number, because the mean of its divisors is an integer number (710094580560).

Almost surely, 2^{18687418835041} is an apocalyptic number.

18687418835041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18687418835041 is a deficient number, since it is larger than the sum of its proper divisors (4035607742879).

18687418835041 is a wasteful number, since it uses less digits than its factorization.

18687418835041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343005.

The product of its (nonzero) digits is 41287680, while the sum is 64.

The spelling of 18687418835041 in words is "eighteen trillion, six hundred eighty-seven billion, four hundred eighteen million, eight hundred thirty-five thousand, forty-one".