71236265003077 has 2 divisors, whose sum is σ = 71236265003078. Its totient is φ = 71236265003076.

The previous prime is 71236265003063. The next prime is 71236265003087. The reversal of 71236265003077 is 77030056263217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56114946162081 + 15121318840996 = 7490991^2 + 3888614^2 .

It is a cyclic number.

It is not a de Polignac number, because 71236265003077 - 2²³ = 71236256614469 is a prime.

It is a super-2 number, since 2×71236265003077² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71236265003077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71236265003087) 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, 35618132501538 + 35618132501539.

It is an arithmetic number, because the mean of its divisors is an integer number (35618132501539).

Almost surely, 2^{71236265003077} is an apocalyptic number.

It is an amenable number.

71236265003077 is a deficient number, since it is larger than the sum of its proper divisors (1).

71236265003077 is an equidigital number, since it uses as much as digits as its factorization.

71236265003077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 71236265003077 in words is "seventy-one trillion, two hundred thirty-six billion, two hundred sixty-five million, three thousand, seventy-seven".