71860816613053 has 8 divisors (see below), whose sum is σ = 77395665901400. Its totient is φ = 66326980776768.

The previous prime is 71860816613051. The next prime is 71860816613071. The reversal of 71860816613053 is 35031661806817.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9756046100089 + 62104770512964 = 3123467^2 + 7880658^2 .

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 71860816613053 - 2¹ = 71860816613051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71860816612985 and 71860816613003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71860816613051) 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, 253215738 + ... + 253499371.

It is an arithmetic number, because the mean of its divisors is an integer number (9674458237675).

Almost surely, 2^{71860816613053} is an apocalyptic number.

It is an amenable number.

71860816613053 is a deficient number, since it is larger than the sum of its proper divisors (5534849288347).

71860816613053 is a wasteful number, since it uses less digits than its factorization.

71860816613053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506726031.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 71860816613053 in words is "seventy-one trillion, eight hundred sixty billion, eight hundred sixteen million, six hundred thirteen thousand, fifty-three".