51464355155205 has 16 divisors (see below), whose sum is σ = 83071667085120. Its totient is φ = 27204756470528.

The previous prime is 51464355155149. The next prime is 51464355155219. The reversal of 51464355155205 is 50255155346415.

It is a cyclic number.

It is not a de Polignac number, because 51464355155205 - 2⁶ = 51464355155141 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15181224015 + ... + 15181227404.

It is an arithmetic number, because the mean of its divisors is an integer number (5191979192820).

Almost surely, 2^{51464355155205} is an apocalyptic number.

It is an amenable number.

51464355155205 is a deficient number, since it is larger than the sum of its proper divisors (31607311929915).

51464355155205 is a wasteful number, since it uses less digits than its factorization.

51464355155205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30362451540.

The product of its (nonzero) digits is 9000000, while the sum is 51.

The spelling of 51464355155205 in words is "fifty-one trillion, four hundred sixty-four billion, three hundred fifty-five million, one hundred fifty-five thousand, two hundred five".