51086330431182 has 192 divisors, whose sum is σ = 118684956149760. Its totient is φ = 16458974358624.

The previous prime is 51086330431141. The next prime is 51086330431189. The reversal of 51086330431182 is 28113403368015.

It is a happy number.

51086330431182 is a `hidden beast` number, since 5 + 1 + 0 + 8 + 6 + 3 + 30 + 431 + 182 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51086330431189) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3140480613 + ... + 3140496879.

It is an arithmetic number, because the mean of its divisors is an integer number (618150813280).

Almost surely, 2^{51086330431182} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51086330431182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59342478074880).

51086330431182 is an abundant number, since it is smaller than the sum of its proper divisors (67598625718578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51086330431182 is a wasteful number, since it uses less digits than its factorization.

51086330431182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17889 (or 17877 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

Adding to 51086330431182 its reverse (28113403368015), we get a palindrome (79199733799197).

The spelling of 51086330431182 in words is "fifty-one trillion, eighty-six billion, three hundred thirty million, four hundred thirty-one thousand, one hundred eighty-two".