1113415680 has 448 divisors, whose sum is σ = 4161544128. Its totient is φ = 251658240.

The previous prime is 1113415657. The next prime is 1113415687. The reversal of 1113415680 is 865143111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113415687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27156460 + ... + 27156500.

It is an arithmetic number, because the mean of its divisors is an integer number (9289161).

Almost surely, 2^1113415680 is an apocalyptic number.

1113415680 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 1113415680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080772064).

1113415680 is an abundant number, since it is smaller than the sum of its proper divisors (3048128448).

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

1113415680 is a wasteful number, since it uses less digits than its factorization.

1113415680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1113415680 is about 33367.8839604791. The cubic root of 1113415680 is about 1036.4597572785.

Adding to 1113415680 its reverse (865143111), we get a palindrome (1978558791).

The spelling of 1113415680 in words is "one billion, one hundred thirteen million, four hundred fifteen thousand, six hundred eighty".