113121303180 has 48 divisors (see below), whose sum is σ = 316834957824. Its totient is φ = 30156603840.

The previous prime is 113121303179. The next prime is 113121303199. The reversal of 113121303180 is 81303121311.

It is a happy number.

It is a super-2 number, since 2×113121303180² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113121303180.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81406 + ... + 482565.

It is an arithmetic number, because the mean of its divisors is an integer number (6600728288).

Almost surely, 2^113121303180 is an apocalyptic number.

113121303180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113121303180 is an abundant number, since it is smaller than the sum of its proper divisors (203713654644).

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

113121303180 is a wasteful number, since it uses less digits than its factorization.

113121303180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567326 (or 567324 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 113121303180 its reverse (81303121311), we get a palindrome (194424424491).

The spelling of 113121303180 in words is "one hundred thirteen billion, one hundred twenty-one million, three hundred three thousand, one hundred eighty".