71130105653 has 8 divisors (see below), whose sum is σ = 71232011448. Its totient is φ = 71028264384.

The previous prime is 71130105643. The next prime is 71130105667. The reversal of 71130105653 is 35650103117.

It can be written as a sum of positive squares in 4 ways, for example, as 795352804 + 70334752849 = 28202^2 + 265207^2 .

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 71130105653 - 2¹⁴ = 71130089269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71130105643) 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, 2454275 + ... + 2483087.

It is an arithmetic number, because the mean of its divisors is an integer number (8904001431).

Almost surely, 2^71130105653 is an apocalyptic number.

It is an amenable number.

71130105653 is a deficient number, since it is larger than the sum of its proper divisors (101905795).

71130105653 is a wasteful number, since it uses less digits than its factorization.

71130105653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32263.

The product of its (nonzero) digits is 9450, while the sum is 32.

The spelling of 71130105653 in words is "seventy-one billion, one hundred thirty million, one hundred five thousand, six hundred fifty-three".