51454425105 has 24 divisors (see below), whose sum is σ = 89381171880. Its totient is φ = 27382821120.

The previous prime is 51454425083. The next prime is 51454425107. The reversal of 51454425105 is 50152445415.

51454425105 is a `hidden beast` number, since 5 + 1 + 4 + 544 + 2 + 5 + 105 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3518387856 + 47936037249 = 59316^2 + 218943^2 .

It is not a de Polignac number, because 51454425105 - 2⁸ = 51454424849 is a prime.

It is a super-2 number, since 2×51454425105² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51454425105.

It is not an unprimeable number, because it can be changed into a prime (51454425107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1219420 + ... + 1260909.

It is an arithmetic number, because the mean of its divisors is an integer number (3724215495).

Almost surely, 2^51454425105 is an apocalyptic number.

It is an amenable number.

51454425105 is a deficient number, since it is larger than the sum of its proper divisors (37926746775).

51454425105 is a wasteful number, since it uses less digits than its factorization.

51454425105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480801 (or 2480798 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 51454425105 in words is "fifty-one billion, four hundred fifty-four million, four hundred twenty-five thousand, one hundred five".