27745525103 has 4 divisors (see below), whose sum is σ = 27811743960. Its totient is φ = 27679306248.

The previous prime is 27745525099. The next prime is 27745525147. The reversal of 27745525103 is 30152554772.

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 27745525103 - 2² = 27745525099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27745525303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33108800 + ... + 33109637.

It is an arithmetic number, because the mean of its divisors is an integer number (6952935990).

Almost surely, 2^27745525103 is an apocalyptic number.

27745525103 is a deficient number, since it is larger than the sum of its proper divisors (66218857).

27745525103 is an equidigital number, since it uses as much as digits as its factorization.

27745525103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66218856.

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 27745525103 in words is "twenty-seven billion, seven hundred forty-five million, five hundred twenty-five thousand, one hundred three".