71709010010101 has 4 divisors (see below), whose sum is σ = 71709046360812. Its totient is φ = 71708973659392.

The previous prime is 71709010010081. The next prime is 71709010010171. The reversal of 71709010010101 is 10101001090717.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17890793522001 + 53818216488100 = 4229751^2 + 7336090^2 .

It is a cyclic number.

It is not a de Polignac number, because 71709010010101 - 2⁹ = 71709010009589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71709010010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71709010010171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15035500 + ... + 19221973.

It is an arithmetic number, because the mean of its divisors is an integer number (17927261590203).

Almost surely, 2^{71709010010101} is an apocalyptic number.

It is an amenable number.

71709010010101 is a deficient number, since it is larger than the sum of its proper divisors (36350711).

71709010010101 is a wasteful number, since it uses less digits than its factorization.

71709010010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36350710.

The product of its (nonzero) digits is 441, while the sum is 28.

The spelling of 71709010010101 in words is "seventy-one trillion, seven hundred nine billion, ten million, ten thousand, one hundred one".