28258624811 has 2 divisors, whose sum is σ = 28258624812. Its totient is φ = 28258624810.

The previous prime is 28258624789. The next prime is 28258624841. The reversal of 28258624811 is 11842685282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28258624811 - 2²² = 28254430507 is a prime.

It is not a weakly prime, because it can be changed into another prime (28258624841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14129312405 + 14129312406.

It is an arithmetic number, because the mean of its divisors is an integer number (14129312406).

Almost surely, 2^28258624811 is an apocalyptic number.

28258624811 is a deficient number, since it is larger than the sum of its proper divisors (1).

28258624811 is an equidigital number, since it uses as much as digits as its factorization.

28258624811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 491520, while the sum is 47.

The spelling of 28258624811 in words is "twenty-eight billion, two hundred fifty-eight million, six hundred twenty-four thousand, eight hundred eleven".