18801862116112 has 20 divisors (see below), whose sum is σ = 37317110481756. Its totient is φ = 9171640056320.

The previous prime is 18801862116029. The next prime is 18801862116119. The reversal of 18801862116112 is 21161126810881.

It can be written as a sum of positive squares in 2 ways, for example, as 8531913851136 + 10269948264976 = 2920944^2 + 3204676^2 .

It is a super-2 number, since 2×18801862116112² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18801862116119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14330686933 + ... + 14330688244.

Almost surely, 2^{18801862116112} is an apocalyptic number.

It is an amenable number.

18801862116112 is a deficient number, since it is larger than the sum of its proper divisors (18515248365644).

18801862116112 is a wasteful number, since it uses less digits than its factorization.

18801862116112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28661375226 (or 28661375220 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 46.

Adding to 18801862116112 its reverse (21161126810881), we get a palindrome (39962988926993).

The spelling of 18801862116112 in words is "eighteen trillion, eight hundred one billion, eight hundred sixty-two million, one hundred sixteen thousand, one hundred twelve".