51101504045163 has 64 divisors (see below), whose sum is σ = 91110533391360. Its totient is φ = 27890979436800.

The previous prime is 51101504045159. The next prime is 51101504045183. The reversal of 51101504045163 is 36154040510115.

51101504045163 is a `hidden beast` number, since 5 + 1 + 10 + 150 + 40 + 451 + 6 + 3 = 666.

It is not a de Polignac number, because 51101504045163 - 2² = 51101504045159 is a prime.

It is a super-3 number, since 3×51101504045163³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (51101504045143) 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 63 ways as a sum of consecutive naturals, for example, 161247831 + ... + 161564432.

It is an arithmetic number, because the mean of its divisors is an integer number (1423602084240).

Almost surely, 2^{51101504045163} is an apocalyptic number.

51101504045163 is a deficient number, since it is larger than the sum of its proper divisors (40009029346197).

51101504045163 is a wasteful number, since it uses less digits than its factorization.

51101504045163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322812337 (or 322812331 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 51101504045163 its reverse (36154040510115), we get a palindrome (87255544555278).

The spelling of 51101504045163 in words is "fifty-one trillion, one hundred one billion, five hundred four million, forty-five thousand, one hundred sixty-three".