51104638317 has 8 divisors (see below), whose sum is σ = 69981126496. Its totient is φ = 33148954512.

The previous prime is 51104638297. The next prime is 51104638379. The reversal of 51104638317 is 71383640115.

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

It is not a de Polignac number, because 51104638317 - 2⁶ = 51104638253 is a prime.

It is a super-2 number, since 2×51104638317² (a number of 22 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 (51104638397) 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, 230200963 + ... + 230201184.

It is an arithmetic number, because the mean of its divisors is an integer number (8747640812).

Almost surely, 2^51104638317 is an apocalyptic number.

It is an amenable number.

51104638317 is a deficient number, since it is larger than the sum of its proper divisors (18876488179).

51104638317 is a wasteful number, since it uses less digits than its factorization.

51104638317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460402187.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 51104638317 in words is "fifty-one billion, one hundred four million, six hundred thirty-eight thousand, three hundred seventeen".