111111001101054 has 40 divisors (see below), whose sum is σ = 252686931218568. Its totient is φ = 36484209313200.

The previous prime is 111111001101053. The next prime is 111111001101161. The reversal of 111111001101054 is 450101100111111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111001101053) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5118424797 + ... + 5118446504.

Almost surely, 2^{111111001101054} is an apocalyptic number.

111111001101054 is an abundant number, since it is smaller than the sum of its proper divisors (141575930117514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111111001101054 is a wasteful number, since it uses less digits than its factorization.

111111001101054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10236871382 (or 10236871373 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 18.

Adding to 111111001101054 its reverse (450101100111111), we get a palindrome (561212101212165).

The spelling of 111111001101054 in words is "one hundred eleven trillion, one hundred eleven billion, one million, one hundred one thousand, fifty-four".