51103962818553 has 8 divisors (see below), whose sum is σ = 68155264705408. Its totient is φ = 34060984738704.

The previous prime is 51103962818507. The next prime is 51103962818593. The reversal of 51103962818553 is 35581826930115.

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

It is not a de Polignac number, because 51103962818553 - 2¹⁰ = 51103962817529 is a prime.

It is a super-2 number, since 2×51103962818553² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51103962818493 and 51103962818502.

It is not an unprimeable number, because it can be changed into a prime (51103962818593) 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, 2080937425 + ... + 2080961982.

It is an arithmetic number, because the mean of its divisors is an integer number (8519408088176).

Almost surely, 2^{51103962818553} is an apocalyptic number.

It is an amenable number.

51103962818553 is a deficient number, since it is larger than the sum of its proper divisors (17051301886855).

51103962818553 is a wasteful number, since it uses less digits than its factorization.

51103962818553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161903503.

The product of its (nonzero) digits is 7776000, while the sum is 57.

The spelling of 51103962818553 in words is "fifty-one trillion, one hundred three billion, nine hundred sixty-two million, eight hundred eighteen thousand, five hundred fifty-three".