7113815280 has 560 divisors, whose sum is σ = 29167570656. Its totient is φ = 1590036480.

The previous prime is 7113815273. The next prime is 7113815281. The reversal of 7113815280 is 825183117.

It is a super-2 number, since 2×7113815280² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7113815281) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 8339334 + ... + 8340186.

Almost surely, 2^7113815280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7113815280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14583785328).

7113815280 is an abundant number, since it is smaller than the sum of its proper divisors (22053755376).

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

7113815280 is a wasteful number, since it uses less digits than its factorization.

7113815280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 7113815280 is about 84343.4364962680. The cubic root of 7113815280 is about 1923.2431515863.

Adding to 7113815280 its reverse (825183117), we get a palindrome (7938998397).

The spelling of 7113815280 in words is "seven billion, one hundred thirteen million, eight hundred fifteen thousand, two hundred eighty".