1115523360 has 384 divisors, whose sum is σ = 4587287040. Its totient is φ = 247836672.

The previous prime is 1115523341. The next prime is 1115523373. The reversal of 1115523360 is 633255111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1118382 + ... + 1119378.

It is an arithmetic number, because the mean of its divisors is an integer number (11946060).

Almost surely, 2^1115523360 is an apocalyptic number.

1115523360 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 1115523360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2293643520).

1115523360 is an abundant number, since it is smaller than the sum of its proper divisors (3471763680).

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

1115523360 is a wasteful number, since it uses less digits than its factorization.

1115523360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1115523360 is about 33399.4514925021. The cubic root of 1115523360 is about 1037.1133462190.

Adding to 1115523360 its reverse (633255111), we get a palindrome (1748778471).

The spelling of 1115523360 in words is "one billion, one hundred fifteen million, five hundred twenty-three thousand, three hundred sixty".