1103530513 has 8 divisors (see below), whose sum is σ = 1152567360. Its totient is φ = 1055504880.

The previous prime is 1103530511. The next prime is 1103530607. The reversal of 1103530513 is 3150353011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1103530513 - 2¹ = 1103530511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103530511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250573 + ... + 254938.

It is an arithmetic number, because the mean of its divisors is an integer number (144070920).

Almost surely, 2^1103530513 is an apocalyptic number.

It is an amenable number.

1103530513 is a deficient number, since it is larger than the sum of its proper divisors (49036847).

1103530513 is an equidigital number, since it uses as much as digits as its factorization.

1103530513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505607.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 1103530513 is about 33219.4297512766. The cubic root of 1103530513 is about 1033.3833234111.

Adding to 1103530513 its reverse (3150353011), we get a palindrome (4253883524).

The spelling of 1103530513 in words is "one billion, one hundred three million, five hundred thirty thousand, five hundred thirteen".