51616132105345 has 8 divisors (see below), whose sum is σ = 62066544070464. Its totient is φ = 41208115321584.

The previous prime is 51616132105331. The next prime is 51616132105361. The reversal of 51616132105345 is 54350123161615.

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 51616132105345 - 2³¹ = 51613984621697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 10598792659 + ... + 10598797528.

It is an arithmetic number, because the mean of its divisors is an integer number (7758318008808).

Almost surely, 2^{51616132105345} is an apocalyptic number.

It is an amenable number.

51616132105345 is a deficient number, since it is larger than the sum of its proper divisors (10450411965119).

51616132105345 is a wasteful number, since it uses less digits than its factorization.

51616132105345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21197590679.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 51616132105345 in words is "fifty-one trillion, six hundred sixteen billion, one hundred thirty-two million, one hundred five thousand, three hundred forty-five".