51185044116471 has 8 divisors (see below), whose sum is σ = 68258932043904. Its totient is φ = 34117259466680.

The previous prime is 51185044116469. The next prime is 51185044116487. The reversal of 51185044116471 is 17461144058115.

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 51185044116471 - 2¹ = 51185044116469 is a prime.

It is a super-3 number, since 3×51185044116471³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51185044116471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51185044116461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1525799841 + ... + 1525833386.

It is an arithmetic number, because the mean of its divisors is an integer number (8532366505488).

Almost surely, 2^{51185044116471} is an apocalyptic number.

51185044116471 is a deficient number, since it is larger than the sum of its proper divisors (17073887927433).

51185044116471 is a wasteful number, since it uses less digits than its factorization.

51185044116471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051638821.

The product of its (nonzero) digits is 537600, while the sum is 48.

The spelling of 51185044116471 in words is "fifty-one trillion, one hundred eighty-five billion, forty-four million, one hundred sixteen thousand, four hundred seventy-one".