51104453244551 has 16 divisors (see below), whose sum is σ = 63102737678400. Its totient is φ = 41227121940480.

The previous prime is 51104453244547. The next prime is 51104453244563. The reversal of 51104453244551 is 15544235440115.

It is not a de Polignac number, because 51104453244551 - 2² = 51104453244547 is a prime.

It is a super-2 number, since 2×51104453244551² (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 (51104453244151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4382128730 + ... + 4382140391.

It is an arithmetic number, because the mean of its divisors is an integer number (3943921104900).

Almost surely, 2^{51104453244551} is an apocalyptic number.

51104453244551 is a deficient number, since it is larger than the sum of its proper divisors (11998284433849).

51104453244551 is an equidigital number, since it uses as much as digits as its factorization.

51104453244551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8764269159 (or 8764269145 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 44.

Adding to 51104453244551 its reverse (15544235440115), we get a palindrome (66648688684666).

The spelling of 51104453244551 in words is "fifty-one trillion, one hundred four billion, four hundred fifty-three million, two hundred forty-four thousand, five hundred fifty-one".