27043131117 has 8 divisors (see below), whose sum is σ = 36062399296. Its totient is φ = 18026308512.

The previous prime is 27043131109. The next prime is 27043131133. The reversal of 27043131117 is 71113134072.

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

It is not a de Polignac number, because 27043131117 - 2³ = 27043131109 is a prime.

It is a super-2 number, since 2×27043131117² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27043131917) 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, 585433 + ... + 629934.

It is an arithmetic number, because the mean of its divisors is an integer number (4507799912).

Almost surely, 2^27043131117 is an apocalyptic number.

It is an amenable number.

27043131117 is a deficient number, since it is larger than the sum of its proper divisors (9019268179).

27043131117 is a wasteful number, since it uses less digits than its factorization.

27043131117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222787.

The product of its (nonzero) digits is 3528, while the sum is 30.

Adding to 27043131117 its reverse (71113134072), we get a palindrome (98156265189).

The spelling of 27043131117 in words is "twenty-seven billion, forty-three million, one hundred thirty-one thousand, one hundred seventeen".