275042111 has 2 divisors, whose sum is σ = 275042112. Its totient is φ = 275042110.

The previous prime is 275042083. The next prime is 275042149. The reversal of 275042111 is 111240572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275042111 - 2¹⁰ = 275041087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275041111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137521055 + 137521056.

It is an arithmetic number, because the mean of its divisors is an integer number (137521056).

Almost surely, 2^275042111 is an apocalyptic number.

275042111 is a deficient number, since it is larger than the sum of its proper divisors (1).

275042111 is an equidigital number, since it uses as much as digits as its factorization.

275042111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 275042111 is about 16584.3935975965. The cubic root of 275042111 is about 650.3289151900.

Adding to 275042111 its reverse (111240572), we get a palindrome (386282683).

The spelling of 275042111 in words is "two hundred seventy-five million, forty-two thousand, one hundred eleven".