8101133291 has 2 divisors, whose sum is σ = 8101133292. Its totient is φ = 8101133290.

The previous prime is 8101133273. The next prime is 8101133357. The reversal of 8101133291 is 1923311018.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8101133291 is a prime.

It is not a weakly prime, because it can be changed into another prime (8101133251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4050566645 + 4050566646.

It is an arithmetic number, because the mean of its divisors is an integer number (4050566646).

Almost surely, 2^8101133291 is an apocalyptic number.

8101133291 is a deficient number, since it is larger than the sum of its proper divisors (1).

8101133291 is an equidigital number, since it uses as much as digits as its factorization.

8101133291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 8101133291 is about 90006.2958409022. The cubic root of 8101133291 is about 2008.3925078957.

The spelling of 8101133291 in words is "eight billion, one hundred one million, one hundred thirty-three thousand, two hundred ninety-one".