51667713775099 has 4 divisors (see below), whose sum is σ = 51695328803040. Its totient is φ = 51640098747160.

The previous prime is 51667713775019. The next prime is 51667713775177. The reversal of 51667713775099 is 99057731776615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51667713775099 - 2²¹ = 51667711677947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51667713775009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13807511164 + ... + 13807514905.

It is an arithmetic number, because the mean of its divisors is an integer number (12923832200760).

Almost surely, 2^{51667713775099} is an apocalyptic number.

51667713775099 is a deficient number, since it is larger than the sum of its proper divisors (27615027941).

51667713775099 is a wasteful number, since it uses less digits than its factorization.

51667713775099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27615027940.

The product of its (nonzero) digits is 525098700, while the sum is 73.

The spelling of 51667713775099 in words is "fifty-one trillion, six hundred sixty-seven billion, seven hundred thirteen million, seven hundred seventy-five thousand, ninety-nine".