27404636115161 has 8 divisors (see below), whose sum is σ = 28847510395200. Its totient is φ = 25961814336240.

The previous prime is 27404636115139. The next prime is 27404636115179. The reversal of 27404636115161 is 16151163640472.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27404636115161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27404636115121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12051581 + ... + 14143898.

It is an arithmetic number, because the mean of its divisors is an integer number (3605938799400).

Almost surely, 2^{27404636115161} is an apocalyptic number.

It is an amenable number.

27404636115161 is a deficient number, since it is larger than the sum of its proper divisors (1442874280039).

27404636115161 is a wasteful number, since it uses less digits than its factorization.

27404636115161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26250559.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 27404636115161 in words is "twenty-seven trillion, four hundred four billion, six hundred thirty-six million, one hundred fifteen thousand, one hundred sixty-one".