12111637038723 has 6 divisors (see below), whose sum is σ = 17494586833724. Its totient is φ = 8074424692476.

The previous prime is 12111637038701. The next prime is 12111637038727. The reversal of 12111637038723 is 32783073611121.

12111637038723 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 1 + 637 + 0 + 3 + 8 + 7 + 2 + 3 = 666.

12111637038723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12111637038723 - 2¹⁴ = 12111637022339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111637038727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 672868724365 + ... + 672868724382.

Almost surely, 2^{12111637038723} is an apocalyptic number.

12111637038723 is a deficient number, since it is larger than the sum of its proper divisors (5382949795001).

12111637038723 is a wasteful number, since it uses less digits than its factorization.

12111637038723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345737448753 (or 1345737448750 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 12111637038723 in words is "twelve trillion, one hundred eleven billion, six hundred thirty-seven million, thirty-eight thousand, seven hundred twenty-three".