111354142055 has 32 divisors (see below), whose sum is σ = 147032734464. Its totient is φ = 80444399616.

The previous prime is 111354142043. The next prime is 111354142057. The reversal of 111354142055 is 550241453111.

It is a cyclic number.

It is not a de Polignac number, because 111354142055 - 2¹⁴ = 111354125671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111354142057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7914587 + ... + 7928643.

It is an arithmetic number, because the mean of its divisors is an integer number (4594772952).

Almost surely, 2^111354142055 is an apocalyptic number.

111354142055 is a deficient number, since it is larger than the sum of its proper divisors (35678592409).

111354142055 is a wasteful number, since it uses less digits than its factorization.

111354142055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16715.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 111354142055 its reverse (550241453111), we get a palindrome (661595595166).

The spelling of 111354142055 in words is "one hundred eleven billion, three hundred fifty-four million, one hundred forty-two thousand, fifty-five".