111243535054 has 16 divisors (see below), whose sum is σ = 167565637728. Its totient is φ = 55388454912.

The previous prime is 111243535033. The next prime is 111243535057. The reversal of 111243535054 is 450535342111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111243535057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1748734 + ... + 1811230.

It is an arithmetic number, because the mean of its divisors is an integer number (10472852358).

Almost surely, 2^111243535054 is an apocalyptic number.

111243535054 is a deficient number, since it is larger than the sum of its proper divisors (56322102674).

111243535054 is a wasteful number, since it uses less digits than its factorization.

111243535054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66219.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 111243535054 its reverse (450535342111), we get a palindrome (561778877165).

The spelling of 111243535054 in words is "one hundred eleven billion, two hundred forty-three million, five hundred thirty-five thousand, fifty-four".