111100560551111 has 4 divisors (see below), whose sum is σ = 112200566101224. Its totient is φ = 110000555001000.

The previous prime is 111100560551077. The next prime is 111100560551137. The reversal of 111100560551111 is 111155065001111.

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 111100560551111 - 2¹⁴ = 111100560534727 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 (111100560551171) 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, 550002774905 + ... + 550002775106.

It is an arithmetic number, because the mean of its divisors is an integer number (28050141525306).

Almost surely, 2^{111100560551111} is an apocalyptic number.

111100560551111 is a deficient number, since it is larger than the sum of its proper divisors (1100005550113).

111100560551111 is a wasteful number, since it uses less digits than its factorization.

111100560551111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100005550112.

The product of its (nonzero) digits is 750, while the sum is 29.

The spelling of 111100560551111 in words is "one hundred eleven trillion, one hundred billion, five hundred sixty million, five hundred fifty-one thousand, one hundred eleven".