51677145145 has 8 divisors (see below), whose sum is σ = 62014222656. Its totient is φ = 41340617136.

The previous prime is 51677145077. The next prime is 51677145199. The reversal of 51677145145 is 54154177615.

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 51677145145 - 2¹¹ = 51677143097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51677145095 and 51677145104.

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, 110034 + ... + 339796.

It is an arithmetic number, because the mean of its divisors is an integer number (7751777832).

Almost surely, 2^51677145145 is an apocalyptic number.

It is an amenable number.

51677145145 is a deficient number, since it is larger than the sum of its proper divisors (10337077511).

51677145145 is a wasteful number, since it uses less digits than its factorization.

51677145145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274751.

The product of its digits is 588000, while the sum is 46.

The spelling of 51677145145 in words is "fifty-one billion, six hundred seventy-seven million, one hundred forty-five thousand, one hundred forty-five".