27057643011 has 12 divisors (see below), whose sum is σ = 44666585392. Its totient is φ = 15461510256.

The previous prime is 27057642977. The next prime is 27057643031. The reversal of 27057643011 is 11034675072.

It is a happy number.

27057643011 is a `hidden beast` number, since 2 + 7 + 0 + 5 + 7 + 643 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 27057643011 - 2⁶ = 27057642947 is a prime.

It is a super-2 number, since 2×27057643011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27057643031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214743136 + ... + 214743261.

Almost surely, 2^27057643011 is an apocalyptic number.

27057643011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27057643011 is a deficient number, since it is larger than the sum of its proper divisors (17608942381).

27057643011 is a wasteful number, since it uses less digits than its factorization.

27057643011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429486410 (or 429486407 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 27057643011 in words is "twenty-seven billion, fifty-seven million, six hundred forty-three thousand, eleven".