71055167401 has 2 divisors, whose sum is σ = 71055167402. Its totient is φ = 71055167400.

The previous prime is 71055167387. The next prime is 71055167441. The reversal of 71055167401 is 10476155017.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70734721600 + 320445801 = 265960^2 + 17901^2 .

It is a cyclic number.

It is not a de Polignac number, because 71055167401 - 2³¹ = 68907683753 is a prime.

It is not a weakly prime, because it can be changed into another prime (71055167441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35527583700 + 35527583701.

It is an arithmetic number, because the mean of its divisors is an integer number (35527583701).

Almost surely, 2^71055167401 is an apocalyptic number.

It is an amenable number.

71055167401 is a deficient number, since it is larger than the sum of its proper divisors (1).

71055167401 is an equidigital number, since it uses as much as digits as its factorization.

71055167401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 71055167401 in words is "seventy-one billion, fifty-five million, one hundred sixty-seven thousand, four hundred one".