51166343711 has 8 divisors (see below), whose sum is σ = 58479912480. Its totient is φ = 43853797728.

The previous prime is 51166343693. The next prime is 51166343731. The reversal of 51166343711 is 11734366115.

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

It is a cyclic number.

It is not a de Polignac number, because 51166343711 - 2¹⁰ = 51166342687 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 (51166343731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145316 + ... + 351353.

It is an arithmetic number, because the mean of its divisors is an integer number (7309989060).

Almost surely, 2^51166343711 is an apocalyptic number.

51166343711 is a deficient number, since it is larger than the sum of its proper divisors (7313568769).

51166343711 is a wasteful number, since it uses less digits than its factorization.

51166343711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511393.

The product of its digits is 45360, while the sum is 38.

The spelling of 51166343711 in words is "fifty-one billion, one hundred sixty-six million, three hundred forty-three thousand, seven hundred eleven".