28150360780811 has 2 divisors, whose sum is σ = 28150360780812. Its totient is φ = 28150360780810.

The previous prime is 28150360780793. The next prime is 28150360780873. The reversal of 28150360780811 is 11808706305182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28150360780811 - 2²⁶ = 28150293671947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28150360780811.

It is not a weakly prime, because it can be changed into another prime (28150360380811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14075180390405 + 14075180390406.

It is an arithmetic number, because the mean of its divisors is an integer number (14075180390406).

Almost surely, 2^{28150360780811} is an apocalyptic number.

28150360780811 is a deficient number, since it is larger than the sum of its proper divisors (1).

28150360780811 is an equidigital number, since it uses as much as digits as its factorization.

28150360780811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 50.

The spelling of 28150360780811 in words is "twenty-eight trillion, one hundred fifty billion, three hundred sixty million, seven hundred eighty thousand, eight hundred eleven".