51550166665119 has 8 divisors (see below), whose sum is σ = 72776705880240. Its totient is φ = 32345202613376.

The previous prime is 51550166665117. The next prime is 51550166665133. The reversal of 51550166665119 is 91156666105515.

It is a happy number.

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 51550166665119 - 2¹ = 51550166665117 is a prime.

It is a super-2 number, since 2×51550166665119² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51550166665117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505393790784 + ... + 505393790885.

It is an arithmetic number, because the mean of its divisors is an integer number (9097088235030).

Almost surely, 2^{51550166665119} is an apocalyptic number.

51550166665119 is a deficient number, since it is larger than the sum of its proper divisors (21226539215121).

51550166665119 is a wasteful number, since it uses less digits than its factorization.

51550166665119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010787581689.

The product of its (nonzero) digits is 7290000, while the sum is 57.

The spelling of 51550166665119 in words is "fifty-one trillion, five hundred fifty billion, one hundred sixty-six million, six hundred sixty-five thousand, one hundred nineteen".