111355135055 has 8 divisors (see below), whose sum is σ = 133629360432. Its totient is φ = 89081975808.

The previous prime is 111355135043. The next prime is 111355135063. The reversal of 111355135055 is 550531553111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111355135055 - 2³⁰ = 110281393231 is a prime.

It is a super-2 number, since 2×111355135055² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15197 + ... + 472166.

It is an arithmetic number, because the mean of its divisors is an integer number (16703670054).

Almost surely, 2^111355135055 is an apocalyptic number.

111355135055 is a deficient number, since it is larger than the sum of its proper divisors (22274225377).

111355135055 is an equidigital number, since it uses as much as digits as its factorization.

111355135055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533065.

The product of its (nonzero) digits is 28125, while the sum is 35.

Adding to 111355135055 its reverse (550531553111), we get a palindrome (661886688166).

The spelling of 111355135055 in words is "one hundred eleven billion, three hundred fifty-five million, one hundred thirty-five thousand, fifty-five".