71141212091 has 2 divisors, whose sum is σ = 71141212092. Its totient is φ = 71141212090.

The previous prime is 71141211961. The next prime is 71141212097. The reversal of 71141212091 is 19021214117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71141212091 - 2¹⁸ = 71140949947 is a prime.

It is a super-2 number, since 2×71141212091² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (71141212097) 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, 35570606045 + 35570606046.

It is an arithmetic number, because the mean of its divisors is an integer number (35570606046).

Almost surely, 2^71141212091 is an apocalyptic number.

71141212091 is a deficient number, since it is larger than the sum of its proper divisors (1).

71141212091 is an equidigital number, since it uses as much as digits as its factorization.

71141212091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 29.

The spelling of 71141212091 in words is "seventy-one billion, one hundred forty-one million, two hundred twelve thousand, ninety-one".