71743542551101 has 2 divisors, whose sum is σ = 71743542551102. Its totient is φ = 71743542551100.

The previous prime is 71743542551071. The next prime is 71743542551141. The reversal of 71743542551101 is 10115524534717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41240786766201 + 30502755784900 = 6421899^2 + 5522930^2 .

It is a cyclic number.

It is not a de Polignac number, because 71743542551101 - 2¹⁹ = 71743542026813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71743542551141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35871771275550 + 35871771275551.

It is an arithmetic number, because the mean of its divisors is an integer number (35871771275551).

Almost surely, 2^{71743542551101} is an apocalyptic number.

It is an amenable number.

71743542551101 is a deficient number, since it is larger than the sum of its proper divisors (1).

71743542551101 is an equidigital number, since it uses as much as digits as its factorization.

71743542551101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 71743542551101 in words is "seventy-one trillion, seven hundred forty-three billion, five hundred forty-two million, five hundred fifty-one thousand, one hundred one".