27601954238091 has 16 divisors (see below), whose sum is σ = 38339217141120. Its totient is φ = 17648211055680.

The previous prime is 27601954238083. The next prime is 27601954238093. The reversal of 27601954238091 is 19083245910672.

It is not a de Polignac number, because 27601954238091 - 2³ = 27601954238083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27601954238093) 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 15 ways as a sum of consecutive naturals, for example, 1901739625 + ... + 1901754138.

It is an arithmetic number, because the mean of its divisors is an integer number (2396201071320).

It is a 2-persistent number, because it is pandigital, and so is 2⋅27601954238091 = 55203908476182, but 3⋅27601954238091 = 82805862714273 is not.

Almost surely, 2^{27601954238091} is an apocalyptic number.

27601954238091 is a deficient number, since it is larger than the sum of its proper divisors (10737262903029).

27601954238091 is a wasteful number, since it uses less digits than its factorization.

27601954238091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803493866.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 27601954238091 in words is "twenty-seven trillion, six hundred one billion, nine hundred fifty-four million, two hundred thirty-eight thousand, ninety-one".