111005506056111 has 8 divisors (see below), whose sum is σ = 148009917156864. Its totient is φ = 74002382829720.

The previous prime is 111005506056059. The next prime is 111005506056119. The reversal of 111005506056111 is 111650605500111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111005506056111 - 2¹⁸ = 111005505793967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111005506056119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321767455 + ... + 322112256.

It is an arithmetic number, because the mean of its divisors is an integer number (18501239644608).

Almost surely, 2^{111005506056111} is an apocalyptic number.

111005506056111 is a deficient number, since it is larger than the sum of its proper divisors (37004411100753).

111005506056111 is an equidigital number, since it uses as much as digits as its factorization.

111005506056111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643937181.

The product of its (nonzero) digits is 4500, while the sum is 33.

The spelling of 111005506056111 in words is "one hundred eleven trillion, five billion, five hundred six million, fifty-six thousand, one hundred eleven".