27530005103 has 4 divisors (see below), whose sum is σ = 28978952760. Its totient is φ = 26081057448.

The previous prime is 27530005081. The next prime is 27530005199. The reversal of 27530005103 is 30150003572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27530005103 - 2⁶ = 27530005039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27530005703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724473800 + ... + 724473837.

It is an arithmetic number, because the mean of its divisors is an integer number (7244738190).

Almost surely, 2^27530005103 is an apocalyptic number.

27530005103 is a deficient number, since it is larger than the sum of its proper divisors (1448947657).

27530005103 is a wasteful number, since it uses less digits than its factorization.

27530005103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448947656.

The product of its (nonzero) digits is 3150, while the sum is 26.

Adding to 27530005103 its reverse (30150003572), we get a palindrome (57680008675).

The spelling of 27530005103 in words is "twenty-seven billion, five hundred thirty million, five thousand, one hundred three".