111012505016 has 64 divisors (see below), whose sum is σ = 239561280000. Its totient is φ = 47242293120.

The previous prime is 111012505003. The next prime is 111012505027. The reversal of 111012505016 is 610505210111.

It is a junction number, because it is equal to n+sod(n) for n = 111012504982 and 111012505000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5662511 + ... + 5682081.

It is an arithmetic number, because the mean of its divisors is an integer number (3743145000).

Almost surely, 2^111012505016 is an apocalyptic number.

It is an amenable number.

111012505016 is an abundant number, since it is smaller than the sum of its proper divisors (128548774984).

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

111012505016 is a wasteful number, since it uses less digits than its factorization.

111012505016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20292 (or 20288 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 23.

Adding to 111012505016 its reverse (610505210111), we get a palindrome (721517715127).

The spelling of 111012505016 in words is "one hundred eleven billion, twelve million, five hundred five thousand, sixteen".