71346957911 has 2 divisors, whose sum is σ = 71346957912. Its totient is φ = 71346957910.

The previous prime is 71346957827. The next prime is 71346957947. The reversal of 71346957911 is 11975964317.

It is a strong prime.

It is an emirp because it is prime and its reverse (11975964317) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71346957911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71346957971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35673478955 + 35673478956.

It is an arithmetic number, because the mean of its divisors is an integer number (35673478956).

Almost surely, 2^71346957911 is an apocalyptic number.

71346957911 is a deficient number, since it is larger than the sum of its proper divisors (1).

71346957911 is an equidigital number, since it uses as much as digits as its factorization.

71346957911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 53.

The spelling of 71346957911 in words is "seventy-one billion, three hundred forty-six million, nine hundred fifty-seven thousand, nine hundred eleven".