27135806543 has 8 divisors (see below), whose sum is σ = 28259928000. Its totient is φ = 26024245408.

The previous prime is 27135806539. The next prime is 27135806573. The reversal of 27135806543 is 34560853172.

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 27135806543 - 2² = 27135806539 is a prime.

It is a super-2 number, since 2×27135806543² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27135806494 and 27135806503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27135806573) 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, 3135671 + ... + 3144312.

It is an arithmetic number, because the mean of its divisors is an integer number (3532491000).

Almost surely, 2^27135806543 is an apocalyptic number.

27135806543 is a deficient number, since it is larger than the sum of its proper divisors (1124121457).

27135806543 is a wasteful number, since it uses less digits than its factorization.

27135806543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280161.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 27135806543 in words is "twenty-seven billion, one hundred thirty-five million, eight hundred six thousand, five hundred forty-three".