27155113 has 2 divisors, whose sum is σ = 27155114. Its totient is φ = 27155112.

The previous prime is 27155021. The next prime is 27155129. The reversal of 27155113 is 31155172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15784729 + 11370384 = 3973^2 + 3372^2 .

It is a cyclic number.

It is not a de Polignac number, because 27155113 - 2⁹ = 27154601 is a prime.

It is not a weakly prime, because it can be changed into another prime (27155153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13577556 + 13577557.

It is an arithmetic number, because the mean of its divisors is an integer number (13577557).

Almost surely, 2^27155113 is an apocalyptic number.

It is an amenable number.

27155113 is a deficient number, since it is larger than the sum of its proper divisors (1).

27155113 is an equidigital number, since it uses as much as digits as its factorization.

27155113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1050, while the sum is 25.

The square root of 27155113 is about 5211.0568026073. The cubic root of 27155113 is about 300.5733959513.

The spelling of 27155113 in words is "twenty-seven million, one hundred fifty-five thousand, one hundred thirteen".