18114821957707 has 8 divisors (see below), whose sum is σ = 18930481929216. Its totient is φ = 17317088579112.

The previous prime is 18114821957599. The next prime is 18114821957719. The reversal of 18114821957707 is 70775912841181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18114821957707 - 2⁷ = 18114821957579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18114821957737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4481646163 + ... + 4481650204.

It is an arithmetic number, because the mean of its divisors is an integer number (2366310241152).

Almost surely, 2^{18114821957707} is an apocalyptic number.

18114821957707 is a deficient number, since it is larger than the sum of its proper divisors (815659971509).

18114821957707 is an equidigital number, since it uses as much as digits as its factorization.

18114821957707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8963296457.

The product of its (nonzero) digits is 7902720, while the sum is 61.

The spelling of 18114821957707 in words is "eighteen trillion, one hundred fourteen billion, eight hundred twenty-one million, nine hundred fifty-seven thousand, seven hundred seven".