111365023055 has 32 divisors (see below), whose sum is σ = 157124233728. Its totient is φ = 74704003200.

The previous prime is 111365023039. The next prime is 111365023067. The reversal of 111365023055 is 550320563111.

It is not a de Polignac number, because 111365023055 - 2⁴ = 111365023039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 862742 + ... + 983388.

It is an arithmetic number, because the mean of its divisors is an integer number (4910132304).

Almost surely, 2^111365023055 is an apocalyptic number.

111365023055 is a deficient number, since it is larger than the sum of its proper divisors (45759210673).

111365023055 is a wasteful number, since it uses less digits than its factorization.

111365023055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121967.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 111365023055 its reverse (550320563111), we get a palindrome (661685586166).

The spelling of 111365023055 in words is "one hundred eleven billion, three hundred sixty-five million, twenty-three thousand, fifty-five".