1113530544 has 80 divisors (see below), whose sum is σ = 3652861440. Its totient is φ = 318150720.

The previous prime is 1113530543. The next prime is 1113530557. The reversal of 1113530544 is 4450353111.

It is a happy number.

1113530544 is a `hidden beast` number, since 1 + 113 + 5 + 3 + 0 + 544 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1113530543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181092 + ... + 187139.

It is an arithmetic number, because the mean of its divisors is an integer number (45660768).

Almost surely, 2^1113530544 is an apocalyptic number.

1113530544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1113530544 is an abundant number, since it is smaller than the sum of its proper divisors (2539330896).

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

1113530544 is a wasteful number, since it uses less digits than its factorization.

1113530544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368255 (or 368243 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1113530544 is about 33369.6050920595. The cubic root of 1113530544 is about 1036.4953977022.

Adding to 1113530544 its reverse (4450353111), we get a palindrome (5563883655).

The spelling of 1113530544 in words is "one billion, one hundred thirteen million, five hundred thirty thousand, five hundred forty-four".