51055550060111 has 4 divisors (see below), whose sum is σ = 51065849752392. Its totient is φ = 51045250367832.

The previous prime is 51055550060087. The next prime is 51055550060201. The reversal of 51055550060111 is 11106005555015.

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 51055550060111 - 2²⁶ = 51055482951247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51055550060311) 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, 5149838705 + ... + 5149848618.

It is an arithmetic number, because the mean of its divisors is an integer number (12766462438098).

Almost surely, 2^{51055550060111} is an apocalyptic number.

51055550060111 is a deficient number, since it is larger than the sum of its proper divisors (10299692281).

51055550060111 is a wasteful number, since it uses less digits than its factorization.

51055550060111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10299692280.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 51055550060111 in words is "fifty-one trillion, fifty-five billion, five hundred fifty million, sixty thousand, one hundred eleven".