18061044712 has 8 divisors (see below), whose sum is σ = 33864458850. Its totient is φ = 9030522352.

The previous prime is 18061044707. The next prime is 18061044733. The reversal of 18061044712 is 21744016081.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13802960196 + 4258084516 = 117486^2 + 65254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128815287 + ... + 1128815302.

Almost surely, 2^18061044712 is an apocalyptic number.

It is an amenable number.

18061044712 is a deficient number, since it is larger than the sum of its proper divisors (15803414138).

18061044712 is a wasteful number, since it uses less digits than its factorization.

18061044712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257630595 (or 2257630591 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 18061044712 in words is "eighteen billion, sixty-one million, forty-four thousand, seven hundred twelve".