10091728987211 has 2 divisors, whose sum is σ = 10091728987212. Its totient is φ = 10091728987210.

The previous prime is 10091728987139. The next prime is 10091728987237. The reversal of 10091728987211 is 11278982719001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10091728987211 - 2³⁴ = 10074549118027 is a prime.

It is not a weakly prime, because it can be changed into another prime (10091728917211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045864493605 + 5045864493606.

It is an arithmetic number, because the mean of its divisors is an integer number (5045864493606).

Almost surely, 2^{10091728987211} is an apocalyptic number.

10091728987211 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091728987211 is an equidigital number, since it uses as much as digits as its factorization.

10091728987211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 56.

The spelling of 10091728987211 in words is "ten trillion, ninety-one billion, seven hundred twenty-eight million, nine hundred eighty-seven thousand, two hundred eleven".