51105604325305 has 8 divisors (see below), whose sum is σ = 61326768937032. Its totient is φ = 40884454295808.

The previous prime is 51105604325263. The next prime is 51105604325339. The reversal of 51105604325305 is 50352340650115.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 487544683536 + 50618059641769 = 698244^2 + 7114637^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 51105604325305 - 2¹⁵ = 51105604292537 is a prime.

It is a super-2 number, since 2×51105604325305² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6769867 + ... + 12167263.

It is an arithmetic number, because the mean of its divisors is an integer number (7665846117129).

Almost surely, 2^{51105604325305} is an apocalyptic number.

It is an amenable number.

51105604325305 is a deficient number, since it is larger than the sum of its proper divisors (10221164611727).

51105604325305 is a wasteful number, since it uses less digits than its factorization.

51105604325305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291115.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 51105604325305 in words is "fifty-one trillion, one hundred five billion, six hundred four million, three hundred twenty-five thousand, three hundred five".