71555160701 has 2 divisors, whose sum is σ = 71555160702. Its totient is φ = 71555160700.

The previous prime is 71555160697. The next prime is 71555160727. The reversal of 71555160701 is 10706155517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41288208025 + 30266952676 = 203195^2 + 173974^2 .

It is a cyclic number.

It is not a de Polignac number, because 71555160701 - 2² = 71555160697 is a prime.

It is a super-2 number, since 2×71555160701² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71555160301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35777580350 + 35777580351.

It is an arithmetic number, because the mean of its divisors is an integer number (35777580351).

Almost surely, 2^71555160701 is an apocalyptic number.

It is an amenable number.

71555160701 is a deficient number, since it is larger than the sum of its proper divisors (1).

71555160701 is an equidigital number, since it uses as much as digits as its factorization.

71555160701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36750, while the sum is 38.

The spelling of 71555160701 in words is "seventy-one billion, five hundred fifty-five million, one hundred sixty thousand, seven hundred one".