27258400111 has 2 divisors, whose sum is σ = 27258400112. Its totient is φ = 27258400110.

The previous prime is 27258400109. The next prime is 27258400123. The reversal of 27258400111 is 11100485272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27258400111 - 2¹ = 27258400109 is a prime.

It is a super-2 number, since 2×27258400111² (a number of 22 digits) contains 22 as substring.

Together with 27258400109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27258400171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13629200055 + 13629200056.

It is an arithmetic number, because the mean of its divisors is an integer number (13629200056).

Almost surely, 2^27258400111 is an apocalyptic number.

27258400111 is a deficient number, since it is larger than the sum of its proper divisors (1).

27258400111 is an equidigital number, since it uses as much as digits as its factorization.

27258400111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 31.

Adding to 27258400111 its reverse (11100485272), we get a palindrome (38358885383).

The spelling of 27258400111 in words is "twenty-seven billion, two hundred fifty-eight million, four hundred thousand, one hundred eleven".