71136011 has 2 divisors, whose sum is σ = 71136012. Its totient is φ = 71136010.

The previous prime is 71135989. The next prime is 71136029. The reversal of 71136011 is 11063117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71136011 - 2⁶ = 71135947 is a prime.

It is not a weakly prime, because it can be changed into another prime (71136031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35568005 + 35568006.

It is an arithmetic number, because the mean of its divisors is an integer number (35568006).

Almost surely, 2^71136011 is an apocalyptic number.

71136011 is a deficient number, since it is larger than the sum of its proper divisors (1).

71136011 is an equidigital number, since it uses as much as digits as its factorization.

71136011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 71136011 is about 8434.2166796923. The cubic root of 71136011 is about 414.3460179077.

Adding to 71136011 its reverse (11063117), we get a palindrome (82199128).

The spelling of 71136011 in words is "seventy-one million, one hundred thirty-six thousand, eleven".