111150420556 has 24 divisors (see below), whose sum is σ = 222629240736. Its totient is φ = 47565523200.

The previous prime is 111150420487. The next prime is 111150420569. The reversal of 111150420556 is 655024051111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2912845 + ... + 2950756.

It is an arithmetic number, because the mean of its divisors is an integer number (9276218364).

Almost surely, 2^111150420556 is an apocalyptic number.

It is an amenable number.

111150420556 is an abundant number, since it is smaller than the sum of its proper divisors (111478820180).

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

111150420556 is a wasteful number, since it uses less digits than its factorization.

111150420556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864289 (or 5864287 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 111150420556 its reverse (655024051111), we get a palindrome (766174471667).

The spelling of 111150420556 in words is "one hundred eleven billion, one hundred fifty million, four hundred twenty thousand, five hundred fifty-six".