51055055560051 has 4 divisors (see below), whose sum is σ = 51056581583752. Its totient is φ = 51053529536352.

The previous prime is 51055055559997. The next prime is 51055055560081. The reversal of 51055055560051 is 15006555055015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51055055560051 - 2²⁵ = 51055022005619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51055055560081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762961665 + ... + 763028578.

It is an arithmetic number, because the mean of its divisors is an integer number (12764145395938).

Almost surely, 2^{51055055560051} is an apocalyptic number.

51055055560051 is a deficient number, since it is larger than the sum of its proper divisors (1526023701).

51055055560051 is a wasteful number, since it uses less digits than its factorization.

51055055560051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526023700.

The product of its (nonzero) digits is 468750, while the sum is 43.

The spelling of 51055055560051 in words is "fifty-one trillion, fifty-five billion, fifty-five million, five hundred sixty thousand, fifty-one".