51372286805471 has 8 divisors (see below), whose sum is σ = 54083741266800. Its totient is φ = 48661597333440.

The previous prime is 51372286805453. The next prime is 51372286805641. The reversal of 51372286805471 is 17450868227315.

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

It is a de Polignac number, because none of the positive numbers 2^k-51372286805471 is a prime.

It is a super-3 number, since 3×51372286805471³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51372286805471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51372286805401) 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, 191109470 + ... + 191378091.

It is an arithmetic number, because the mean of its divisors is an integer number (6760467658350).

Almost surely, 2^{51372286805471} is an apocalyptic number.

51372286805471 is a deficient number, since it is larger than the sum of its proper divisors (2711454461329).

51372286805471 is a wasteful number, since it uses less digits than its factorization.

51372286805471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382494649.

The product of its (nonzero) digits is 22579200, while the sum is 59.

The spelling of 51372286805471 in words is "fifty-one trillion, three hundred seventy-two billion, two hundred eighty-six million, eight hundred five thousand, four hundred seventy-one".