18077433031111 has 4 divisors (see below), whose sum is σ = 18077450426992. Its totient is φ = 18077415635232.

The previous prime is 18077433031069. The next prime is 18077433031123. The reversal of 18077433031111 is 11113033477081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18077433031111 - 2⁷ = 18077433030983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18077433031211) 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, 7032930 + ... + 9252943.

It is an arithmetic number, because the mean of its divisors is an integer number (4519362606748).

Almost surely, 2^{18077433031111} is an apocalyptic number.

18077433031111 is a deficient number, since it is larger than the sum of its proper divisors (17395881).

18077433031111 is a wasteful number, since it uses less digits than its factorization.

18077433031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17395880.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 18077433031111 in words is "eighteen trillion, seventy-seven billion, four hundred thirty-three million, thirty-one thousand, one hundred eleven".