27961375973113 has 8 divisors (see below), whose sum is σ = 31829550515136. Its totient is φ = 24314239976400.

The previous prime is 27961375973093. The next prime is 27961375973161. The reversal of 27961375973113 is 31137957316972.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-27961375973113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27961375073113) 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, 55259636058 + ... + 55259636563.

It is an arithmetic number, because the mean of its divisors is an integer number (3978693814392).

Almost surely, 2^{27961375973113} is an apocalyptic number.

27961375973113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

27961375973113 is a deficient number, since it is larger than the sum of its proper divisors (3868174542023).

27961375973113 is a wasteful number, since it uses less digits than its factorization.

27961375973113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110519272655.

The product of its digits is 45008460, while the sum is 64.

The spelling of 27961375973113 in words is "twenty-seven trillion, nine hundred sixty-one billion, three hundred seventy-five million, nine hundred seventy-three thousand, one hundred thirteen".