51436541873223 has 96 divisors (see below), whose sum is σ = 88353457500672. Its totient is φ = 28533067776000.

The previous prime is 51436541873221. The next prime is 51436541873287. The reversal of 51436541873223 is 32237814563415.

51436541873223 is a `hidden beast` number, since 5 + 1 + 4 + 3 + 6 + 541 + 8 + 73 + 2 + 23 = 666.

It is not a de Polignac number, because 51436541873223 - 2¹ = 51436541873221 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 51436541873223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51436541873221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1680873 + ... + 10280973.

It is an arithmetic number, because the mean of its divisors is an integer number (920348515632).

Almost surely, 2^{51436541873223} is an apocalyptic number.

51436541873223 is a deficient number, since it is larger than the sum of its proper divisors (36916915627449).

51436541873223 is a wasteful number, since it uses less digits than its factorization.

51436541873223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600265 (or 8600262 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 51436541873223 in words is "fifty-one trillion, four hundred thirty-six billion, five hundred forty-one million, eight hundred seventy-three thousand, two hundred twenty-three".