111516160650 has 96 divisors (see below), whose sum is σ = 290126966400. Its totient is φ = 28307731200.

The previous prime is 111516160631. The next prime is 111516160757. The reversal of 111516160650 is 56061615111.

It is a super-2 number, since 2×111516160650² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128316 + ... + 489384.

It is an arithmetic number, because the mean of its divisors is an integer number (3022155900).

Almost surely, 2^111516160650 is an apocalyptic number.

111516160650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111516160650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145063483200).

111516160650 is an abundant number, since it is smaller than the sum of its proper divisors (178610805750).

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

111516160650 is a wasteful number, since it uses less digits than its factorization.

111516160650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361184 (or 361179 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 33.

Adding to 111516160650 its reverse (56061615111), we get a palindrome (167577775761).

It can be divided in two parts, 1115161 and 60650, that added together give a triangular number (1175811 = T₁₅₃₃).

The spelling of 111516160650 in words is "one hundred eleven billion, five hundred sixteen million, one hundred sixty thousand, six hundred fifty".