51616217005219 has 32 divisors (see below), whose sum is σ = 54759210637824. Its totient is φ = 48553999591680.

The previous prime is 51616217005181. The next prime is 51616217005273. The reversal of 51616217005219 is 91250071261615.

It is a cyclic number.

It is not a de Polignac number, because 51616217005219 - 2¹³ = 51616216997027 is a prime.

It is a super-2 number, since 2×51616217005219² (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 (51616217005019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445936077 + ... + 446051809.

It is an arithmetic number, because the mean of its divisors is an integer number (1711225332432).

Almost surely, 2^{51616217005219} is an apocalyptic number.

51616217005219 is a deficient number, since it is larger than the sum of its proper divisors (3142993632605).

51616217005219 is a wasteful number, since it uses less digits than its factorization.

51616217005219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116907.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 51616217005219 in words is "fifty-one trillion, six hundred sixteen billion, two hundred seventeen million, five thousand, two hundred nineteen".