27258400811 has 2 divisors, whose sum is σ = 27258400812. Its totient is φ = 27258400810.

The previous prime is 27258400751. The next prime is 27258400837. The reversal of 27258400811 is 11800485272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27258400811 - 2³⁰ = 26184658987 is a prime.

It is not a weakly prime, because it can be changed into another prime (27258400111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13629200405 + 13629200406.

It is an arithmetic number, because the mean of its divisors is an integer number (13629200406).

Almost surely, 2^27258400811 is an apocalyptic number.

27258400811 is a deficient number, since it is larger than the sum of its proper divisors (1).

27258400811 is an equidigital number, since it uses as much as digits as its factorization.

27258400811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 27258400811 in words is "twenty-seven billion, two hundred fifty-eight million, four hundred thousand, eight hundred eleven".