27103039985 has 24 divisors (see below), whose sum is σ = 38122482816. Its totient is φ = 18443050080.

The previous prime is 27103039979. The next prime is 27103039993. The reversal of 27103039985 is 58993030172.

It is not a de Polignac number, because 27103039985 - 2⁶ = 27103039921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390137 + ... + 454326.

It is an arithmetic number, because the mean of its divisors is an integer number (1588436784).

Almost surely, 2^27103039985 is an apocalyptic number.

It is an amenable number.

27103039985 is a deficient number, since it is larger than the sum of its proper divisors (11019442831).

27103039985 is a wasteful number, since it uses less digits than its factorization.

27103039985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844613 (or 844606 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 27103039985 in words is "twenty-seven billion, one hundred three million, thirty-nine thousand, nine hundred eighty-five".