18011347760256 has 32 divisors (see below), whose sum is σ = 47842642489200. Its totient is φ = 6003782586624.

The previous prime is 18011347760243. The next prime is 18011347760269. The reversal of 18011347760256 is 65206774311081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18011347760243) and next prime (18011347760269).

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 18011347760199 and 18011347760208.

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 3 ways as a sum of consecutive naturals, for example, 23452275346 + ... + 23452276113.

Almost surely, 2^{18011347760256} is an apocalyptic number.

18011347760256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18011347760256 is an abundant number, since it is smaller than the sum of its proper divisors (29831294728944).

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

18011347760256 is an equidigital number, since it uses as much as digits as its factorization.

18011347760256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46904551476 (or 46904551464 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 18011347760256 in words is "eighteen trillion, eleven billion, three hundred forty-seven million, seven hundred sixty thousand, two hundred fifty-six".