27000061052191 has 16 divisors (see below), whose sum is σ = 29525135212800. Its totient is φ = 24579892592640.

The previous prime is 27000061052177. The next prime is 27000061052227. The reversal of 27000061052191 is 19125016000072.

It is a cyclic number.

It is not a de Polignac number, because 27000061052191 - 2²³ = 27000052663583 is a prime.

It is a super-3 number, since 3×27000061052191³ (a number of 41 digits) contains 333 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 (27000061052141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11637466 + ... + 13763383.

It is an arithmetic number, because the mean of its divisors is an integer number (1845320950800).

Almost surely, 2^{27000061052191} is an apocalyptic number.

27000061052191 is a deficient number, since it is larger than the sum of its proper divisors (2525074160609).

27000061052191 is a wasteful number, since it uses less digits than its factorization.

27000061052191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25402914.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 27000061052191 in words is "twenty-seven trillion, sixty-one million, fifty-two thousand, one hundred ninety-one".