27731816113 has 8 divisors (see below), whose sum is σ = 28239753600. Its totient is φ = 27227801328.

The previous prime is 27731816107. The next prime is 27731816129. The reversal of 27731816113 is 31161813772.

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 27731816113 - 2¹⁷ = 27731685041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27731816153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966406 + ... + 994687.

It is an arithmetic number, because the mean of its divisors is an integer number (3529969200).

Almost surely, 2^27731816113 is an apocalyptic number.

It is an amenable number.

27731816113 is a deficient number, since it is larger than the sum of its proper divisors (507937487).

27731816113 is a wasteful number, since it uses less digits than its factorization.

27731816113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961351.

The product of its digits is 42336, while the sum is 40.

The spelling of 27731816113 in words is "twenty-seven billion, seven hundred thirty-one million, eight hundred sixteen thousand, one hundred thirteen".