51123473471 has 8 divisors (see below), whose sum is σ = 58428195840. Its totient is φ = 43819093368.

The previous prime is 51123473459. The next prime is 51123473473. The reversal of 51123473471 is 17437432115.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51123473471 is a prime.

It is a super-3 number, since 3×51123473471³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51123473473) 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, 524630 + ... + 614396.

It is an arithmetic number, because the mean of its divisors is an integer number (7303524480).

Almost surely, 2^51123473471 is an apocalyptic number.

51123473471 is a deficient number, since it is larger than the sum of its proper divisors (7304722369).

51123473471 is an equidigital number, since it uses as much as digits as its factorization.

51123473471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171133.

The product of its digits is 70560, while the sum is 38.

The spelling of 51123473471 in words is "fifty-one billion, one hundred twenty-three million, four hundred seventy-three thousand, four hundred seventy-one".