51105425120553 has 16 divisors (see below), whose sum is σ = 70344415236096. Its totient is φ = 32968539384720.

The previous prime is 51105425120467. The next prime is 51105425120567. The reversal of 51105425120553 is 35502152450115.

It is not a de Polignac number, because 51105425120553 - 2²⁴ = 51105408343337 is a prime.

It is a super-2 number, since 2×51105425120553² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51105425120653) 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, 21380925 + ... + 23650682.

It is an arithmetic number, because the mean of its divisors is an integer number (4396525952256).

Almost surely, 2^{51105425120553} is an apocalyptic number.

It is an amenable number.

51105425120553 is a deficient number, since it is larger than the sum of its proper divisors (19238990115543).

51105425120553 is a wasteful number, since it uses less digits than its factorization.

51105425120553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45043844.

The product of its (nonzero) digits is 150000, while the sum is 39.

Adding to 51105425120553 its reverse (35502152450115), we get a palindrome (86607577570668).

The spelling of 51105425120553 in words is "fifty-one trillion, one hundred five billion, four hundred twenty-five million, one hundred twenty thousand, five hundred fifty-three".