71105067053 has 8 divisors (see below), whose sum is σ = 73673085048. Its totient is φ = 68571062784.

The previous prime is 71105067043. The next prime is 71105067079. The reversal of 71105067053 is 35076050117.

It can be written as a sum of positive squares in 4 ways, for example, as 3215116804 + 67889950249 = 56702^2 + 260557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71105067053 - 2⁴ = 71105067037 is a prime.

It is a super-2 number, since 2×71105067053² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71105067043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8499176 + ... + 8507537.

It is an arithmetic number, because the mean of its divisors is an integer number (9209135631).

Almost surely, 2^71105067053 is an apocalyptic number.

It is an amenable number.

71105067053 is a deficient number, since it is larger than the sum of its proper divisors (2568017995).

71105067053 is a wasteful number, since it uses less digits than its factorization.

71105067053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17006863.

The product of its (nonzero) digits is 22050, while the sum is 35.

The spelling of 71105067053 in words is "seventy-one billion, one hundred five million, sixty-seven thousand, fifty-three".