111421241528616 has 256 divisors, whose sum is σ = 325089676800000. Its totient is φ = 35291463457536.

The previous prime is 111421241528609. The next prime is 111421241528617. The reversal of 111421241528616 is 616825142124111.

111421241528616 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 2 + 1 + 2 + 4 + 1 + 5 + 28 + 616 = 666.

It is not an unprimeable number, because it can be changed into a prime (111421241528617) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4211077195 + ... + 4211103653.

It is an arithmetic number, because the mean of its divisors is an integer number (1269881550000).

Almost surely, 2^{111421241528616} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111421241528616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162544838400000).

111421241528616 is an abundant number, since it is smaller than the sum of its proper divisors (213668435271384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111421241528616 is a wasteful number, since it uses less digits than its factorization.

111421241528616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32053 (or 32043 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The spelling of 111421241528616 in words is "one hundred eleven trillion, four hundred twenty-one billion, two hundred forty-one million, five hundred twenty-eight thousand, six hundred sixteen".