110172115980 has 480 divisors, whose sum is σ = 378530127360. Its totient is φ = 26728289280.

The previous prime is 110172115979. The next prime is 110172115987. The reversal of 110172115980 is 89511271011.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (110172115987) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 84552009 + ... + 84553311.

It is an arithmetic number, because the mean of its divisors is an integer number (788604432).

Almost surely, 2^110172115980 is an apocalyptic number.

110172115980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110172115980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189265063680).

110172115980 is an abundant number, since it is smaller than the sum of its proper divisors (268358011380).

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

110172115980 is a wasteful number, since it uses less digits than its factorization.

110172115980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 36.

Adding to 110172115980 its reverse (89511271011), we get a palindrome (199683386991).

The spelling of 110172115980 in words is "one hundred ten billion, one hundred seventy-two million, one hundred fifteen thousand, nine hundred eighty".