18027112212631 has 8 divisors (see below), whose sum is σ = 18205966760400. Its totient is φ = 17848264886400.

The previous prime is 18027112212611. The next prime is 18027112212673. The reversal of 18027112212631 is 13621221172081.

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 18027112212631 - 2³³ = 18018522278039 is a prime.

It is a super-2 number, since 2×18027112212631² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18027112212601) 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, 3282760 + ... + 6843298.

It is an arithmetic number, because the mean of its divisors is an integer number (2275745845050).

Almost surely, 2^{18027112212631} is an apocalyptic number.

18027112212631 is a deficient number, since it is larger than the sum of its proper divisors (178854547769).

18027112212631 is a wasteful number, since it uses less digits than its factorization.

18027112212631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610769.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 18027112212631 in words is "eighteen trillion, twenty-seven billion, one hundred twelve million, two hundred twelve thousand, six hundred thirty-one".