51377482718851 has 8 divisors (see below), whose sum is σ = 54468194409344. Its totient is φ = 48376356874560.

The previous prime is 51377482718803. The next prime is 51377482718909. The reversal of 51377482718851 is 15881728477315.

51377482718851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51377482718851 - 2¹⁵ = 51377482686083 is a prime.

It is a super-2 number, since 2×51377482718851² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51377482718251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22396460370 + ... + 22396462663.

It is an arithmetic number, because the mean of its divisors is an integer number (6808524301168).

Almost surely, 2^{51377482718851} is an apocalyptic number.

51377482718851 is a deficient number, since it is larger than the sum of its proper divisors (3090711690493).

51377482718851 is a wasteful number, since it uses less digits than its factorization.

51377482718851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44792923101.

The product of its digits is 105369600, while the sum is 67.

The spelling of 51377482718851 in words is "fifty-one trillion, three hundred seventy-seven billion, four hundred eighty-two million, seven hundred eighteen thousand, eight hundred fifty-one".