18755556212968 has 16 divisors (see below), whose sum is σ = 35443570798080. Its totient is φ = 9303937333488.

The previous prime is 18755556212951. The next prime is 18755556212999. The reversal of 18755556212968 is 86921265555781.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18755556212897 and 18755556212906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9230095546 + ... + 9230097577.

It is an arithmetic number, because the mean of its divisors is an integer number (2215223174880).

Almost surely, 2^{18755556212968} is an apocalyptic number.

It is an amenable number.

18755556212968 is a deficient number, since it is larger than the sum of its proper divisors (16688014585112).

18755556212968 is a wasteful number, since it uses less digits than its factorization.

18755556212968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18460193256 (or 18460193252 counting only the distinct ones).

The product of its digits is 362880000, while the sum is 70.

The spelling of 18755556212968 in words is "eighteen trillion, seven hundred fifty-five billion, five hundred fifty-six million, two hundred twelve thousand, nine hundred sixty-eight".