51103005312543 has 8 divisors (see below), whose sum is σ = 68137759327488. Its totient is φ = 34068460752984.

The previous prime is 51103005312497. The next prime is 51103005312547. The reversal of 51103005312543 is 34521350030115.

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

It is not a de Polignac number, because 51103005312543 - 2³⁰ = 51101931570719 is a prime.

It is a super-2 number, since 2×51103005312543² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51103005312547) 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, 51793671 + ... + 52771112.

It is an arithmetic number, because the mean of its divisors is an integer number (8517219915936).

Almost surely, 2^{51103005312543} is an apocalyptic number.

51103005312543 is a deficient number, since it is larger than the sum of its proper divisors (17034754014945).

51103005312543 is a wasteful number, since it uses less digits than its factorization.

51103005312543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104727693.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 51103005312543 its reverse (34521350030115), we get a palindrome (85624355342658).

The spelling of 51103005312543 in words is "fifty-one trillion, one hundred three billion, five million, three hundred twelve thousand, five hundred forty-three".