51771346113 has 8 divisors (see below), whose sum is σ = 71255186176. Its totient is φ = 33400868400.

The previous prime is 51771346097. The next prime is 51771346163. The reversal of 51771346113 is 31164317715.

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

It is not a de Polignac number, because 51771346113 - 2⁴ = 51771346097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51771346163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278340478 + ... + 278340663.

It is an arithmetic number, because the mean of its divisors is an integer number (8906898272).

Almost surely, 2^51771346113 is an apocalyptic number.

It is an amenable number.

51771346113 is a deficient number, since it is larger than the sum of its proper divisors (19483840063).

51771346113 is a wasteful number, since it uses less digits than its factorization.

51771346113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556681175.

The product of its digits is 52920, while the sum is 39.

The spelling of 51771346113 in words is "fifty-one billion, seven hundred seventy-one million, three hundred forty-six thousand, one hundred thirteen".