51701160509 has 8 divisors (see below), whose sum is σ = 54452163840. Its totient is φ = 48953146176.

The previous prime is 51701160499. The next prime is 51701160541. The reversal of 51701160509 is 90506110715.

It is a happy number.

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 51701160509 - 2⁴ = 51701160493 is a prime.

It is a super-2 number, since 2×51701160509² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51701160109) 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, 711692 + ... + 780965.

It is an arithmetic number, because the mean of its divisors is an integer number (6806520480).

Almost surely, 2^51701160509 is an apocalyptic number.

It is an amenable number.

51701160509 is a deficient number, since it is larger than the sum of its proper divisors (2751003331).

51701160509 is a wasteful number, since it uses less digits than its factorization.

51701160509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494499.

The product of its (nonzero) digits is 9450, while the sum is 35.

The spelling of 51701160509 in words is "fifty-one billion, seven hundred one million, one hundred sixty thousand, five hundred nine".