111135054 has 16 divisors (see below), whose sum is σ = 225315792. Its totient is φ = 36537408.

The previous prime is 111135053. The next prime is 111135071. The reversal of 111135054 is 450531111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111135054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111135053) 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, 126429 + ... + 127304.

It is an arithmetic number, because the mean of its divisors is an integer number (14082237).

Almost surely, 2^111135054 is an apocalyptic number.

111135054 is an abundant number, since it is smaller than the sum of its proper divisors (114180738).

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

111135054 is a wasteful number, since it uses less digits than its factorization.

111135054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253811.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 111135054 is about 10542.0611836585. The cubic root of 111135054 is about 480.7843859103.

Adding to 111135054 its reverse (450531111), we get a palindrome (561666165).

The spelling of 111135054 in words is "one hundred eleven million, one hundred thirty-five thousand, fifty-four".