8101111087 has 2 divisors, whose sum is σ = 8101111088. Its totient is φ = 8101111086.

The previous prime is 8101111063. The next prime is 8101111091. The reversal of 8101111087 is 7801111018.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8101111087 - 2¹⁵ = 8101078319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8101111097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4050555543 + 4050555544.

It is an arithmetic number, because the mean of its divisors is an integer number (4050555544).

Almost surely, 2^8101111087 is an apocalyptic number.

8101111087 is a deficient number, since it is larger than the sum of its proper divisors (1).

8101111087 is an equidigital number, since it uses as much as digits as its factorization.

8101111087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 28.

The square root of 8101111087 is about 90006.1724938907. The cubic root of 8101111087 is about 2008.3906729924.

The spelling of 8101111087 in words is "eight billion, one hundred one million, one hundred eleven thousand, eighty-seven".