1113041540 has 24 divisors (see below), whose sum is σ = 2517186840. Its totient is φ = 410969088.

The previous prime is 1113041539. The next prime is 1113041551. The reversal of 1113041540 is 451403111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 161442436 + 951599104 = 12706^2 + 30848^2 .

It is a super-2 number, since 2×1113041540² = 2477722939531143200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140205 + ... + 2140724.

It is an arithmetic number, because the mean of its divisors is an integer number (104882785).

Almost surely, 2^1113041540 is an apocalyptic number.

1113041540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113041540 is an abundant number, since it is smaller than the sum of its proper divisors (1404145300).

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

1113041540 is a wasteful number, since it uses less digits than its factorization.

1113041540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280951 (or 4280949 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1113041540 is about 33362.2772004550. The cubic root of 1113041540 is about 1036.3436507473.

Adding to 1113041540 its reverse (451403111), we get a palindrome (1564444651).

The spelling of 1113041540 in words is "one billion, one hundred thirteen million, forty-one thousand, five hundred forty".