111540054 has 16 divisors (see below), whose sum is σ = 223796592. Its totient is φ = 37060608.

The previous prime is 111540053. The next prime is 111540083. The reversal of 111540054 is 450045111.

It is a self number, because there is not a number n which added to its sum of digits gives 111540054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111540053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27819 + ... + 31574.

It is an arithmetic number, because the mean of its divisors is an integer number (13987287).

Almost surely, 2^111540054 is an apocalyptic number.

111540054 is an abundant number, since it is smaller than the sum of its proper divisors (112256538).

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

111540054 is a wasteful number, since it uses less digits than its factorization.

111540054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59711.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 111540054 is about 10561.2524825420. The cubic root of 111540054 is about 481.3677050822.

Adding to 111540054 its reverse (450045111), we get a palindrome (561585165).

The spelling of 111540054 in words is "one hundred eleven million, five hundred forty thousand, fifty-four".