71109269899 has 2 divisors, whose sum is σ = 71109269900. Its totient is φ = 71109269898.

The previous prime is 71109269863. The next prime is 71109269941. The reversal of 71109269899 is 99896290117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71109269899 - 2³¹ = 68961786251 is a prime.

It is not a weakly prime, because it can be changed into another prime (71109269849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35554634949 + 35554634950.

It is an arithmetic number, because the mean of its divisors is an integer number (35554634950).

Almost surely, 2^71109269899 is an apocalyptic number.

71109269899 is a deficient number, since it is larger than the sum of its proper divisors (1).

71109269899 is an equidigital number, since it uses as much as digits as its factorization.

71109269899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 61.

The spelling of 71109269899 in words is "seventy-one billion, one hundred nine million, two hundred sixty-nine thousand, eight hundred ninety-nine".