51435212105 has 8 divisors (see below), whose sum is σ = 63035494272. Its totient is φ = 40272676528.

The previous prime is 51435212099. The next prime is 51435212141. The reversal of 51435212105 is 50121253415.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51435212105 is a prime.

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, 109436387 + ... + 109436856.

It is an arithmetic number, because the mean of its divisors is an integer number (7879436784).

Almost surely, 2^51435212105 is an apocalyptic number.

It is an amenable number.

51435212105 is a deficient number, since it is larger than the sum of its proper divisors (11600282167).

51435212105 is a wasteful number, since it uses less digits than its factorization.

51435212105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218873295.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 51435212105 in words is "fifty-one billion, four hundred thirty-five million, two hundred twelve thousand, one hundred five".