111616245441 has 24 divisors (see below), whose sum is σ = 162994015080. Its totient is φ = 73595232000.

The previous prime is 111616245407. The next prime is 111616245443. The reversal of 111616245441 is 144542616111.

111616245441 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 162 + 454 + 41 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 50868291600 + 60747953841 = 225540^2 + 246471^2 .

It is not a de Polignac number, because 111616245441 - 2²⁶ = 111549136577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111616245396 and 111616245405.

It is not an unprimeable number, because it can be changed into a prime (111616245443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 790125 + ... + 920613.

It is an arithmetic number, because the mean of its divisors is an integer number (6791417295).

Almost surely, 2^111616245441 is an apocalyptic number.

It is an amenable number.

111616245441 is a deficient number, since it is larger than the sum of its proper divisors (51377769639).

111616245441 is a wasteful number, since it uses less digits than its factorization.

111616245441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131537 (or 131534 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The spelling of 111616245441 in words is "one hundred eleven billion, six hundred sixteen million, two hundred forty-five thousand, four hundred forty-one".