111160615553 has 8 divisors (see below), whose sum is σ = 121673915496. Its totient is φ = 100927670400.

The previous prime is 111160615537. The next prime is 111160615613. The reversal of 111160615553 is 355516061111.

It can be written as a sum of positive squares in 4 ways, for example, as 8640260209 + 102520355344 = 92953^2 + 320188^2 .

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 111160615553 - 2⁴ = 111160615537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111160611553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70087868 + ... + 70089453.

It is an arithmetic number, because the mean of its divisors is an integer number (15209239437).

Almost surely, 2^111160615553 is an apocalyptic number.

111160615553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111160615553 is a deficient number, since it is larger than the sum of its proper divisors (10513299943).

111160615553 is a wasteful number, since it uses less digits than its factorization.

111160615553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140177395.

The product of its (nonzero) digits is 13500, while the sum is 35.

Adding to 111160615553 its reverse (355516061111), we get a palindrome (466676676664).

The spelling of 111160615553 in words is "one hundred eleven billion, one hundred sixty million, six hundred fifteen thousand, five hundred fifty-three".