65171703051 has 72 divisors (see below), whose sum is σ = 116631141120. Its totient is φ = 34336830528.

The previous prime is 65171703049. The next prime is 65171703071. The reversal of 65171703051 is 15030717156.

It is not a de Polignac number, because 65171703051 - 2¹ = 65171703049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65171702997 and 65171703015.

It is not an unprimeable number, because it can be changed into a prime (65171703011) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10846290 + ... + 10852296.

It is an arithmetic number, because the mean of its divisors is an integer number (1619876960).

Almost surely, 2^65171703051 is an apocalyptic number.

65171703051 is a deficient number, since it is larger than the sum of its proper divisors (51459438069).

65171703051 is a wasteful number, since it uses less digits than its factorization.

65171703051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065 (or 7049 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The spelling of 65171703051 in words is "sixty-five billion, one hundred seventy-one million, seven hundred three thousand, fifty-one".