112011125515 has 4 divisors (see below), whose sum is σ = 134413350624. Its totient is φ = 89608900408.

The previous prime is 112011125509. The next prime is 112011125519. The reversal of 112011125515 is 515521110211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112011125515 - 2⁹ = 112011125003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112011125515.

It is not an unprimeable number, because it can be changed into a prime (112011125519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11201112547 + ... + 11201112556.

It is an arithmetic number, because the mean of its divisors is an integer number (33603337656).

Almost surely, 2^112011125515 is an apocalyptic number.

112011125515 is a deficient number, since it is larger than the sum of its proper divisors (22402225109).

112011125515 is an equidigital number, since it uses as much as digits as its factorization.

112011125515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22402225108.

The product of its (nonzero) digits is 500, while the sum is 25.

Adding to 112011125515 its reverse (515521110211), we get a palindrome (627532235726).

The spelling of 112011125515 in words is "one hundred twelve billion, eleven million, one hundred twenty-five thousand, five hundred fifteen".