51723485185 has 8 divisors (see below), whose sum is σ = 62448969600. Its totient is φ = 41124929904.

The previous prime is 51723485131. The next prime is 51723485263. The reversal of 51723485185 is 58158432715.

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 51723485185 - 2⁷ = 51723485057 is a prime.

It is an unprimeable number.

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, 31731385 + ... + 31733014.

It is an arithmetic number, because the mean of its divisors is an integer number (7806121200).

Almost surely, 2^51723485185 is an apocalyptic number.

It is an amenable number.

51723485185 is a deficient number, since it is larger than the sum of its proper divisors (10725484415).

51723485185 is a wasteful number, since it uses less digits than its factorization.

51723485185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63464567.

The product of its digits is 1344000, while the sum is 49.

The spelling of 51723485185 in words is "fifty-one billion, seven hundred twenty-three million, four hundred eighty-five thousand, one hundred eighty-five".