111553542115 has 8 divisors (see below), whose sum is σ = 139684435488. Its totient is φ = 85362710400.

The previous prime is 111553542101. The next prime is 111553542119. The reversal of 111553542115 is 511245355111.

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

It is not a de Polignac number, because 111553542115 - 2⁷ = 111553541987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111553542119) 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, 485015286 + ... + 485015515.

It is an arithmetic number, because the mean of its divisors is an integer number (17460554436).

Almost surely, 2^111553542115 is an apocalyptic number.

111553542115 is a deficient number, since it is larger than the sum of its proper divisors (28130893373).

111553542115 is an equidigital number, since it uses as much as digits as its factorization.

111553542115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970030829.

The product of its digits is 15000, while the sum is 34.

Adding to 111553542115 its reverse (511245355111), we get a palindrome (622798897226).

The spelling of 111553542115 in words is "one hundred eleven billion, five hundred fifty-three million, five hundred forty-two thousand, one hundred fifteen".