51651164277107 has 4 divisors (see below), whose sum is σ = 51651662987376. Its totient is φ = 51650665566840.

The previous prime is 51651164277077. The next prime is 51651164277109. The reversal of 51651164277107 is 70177246115615.

It is a happy number.

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 51651164277107 - 2⁶ = 51651164277043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51651164277109) 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, 249199748 + ... + 249406929.

It is an arithmetic number, because the mean of its divisors is an integer number (12912915746844).

Almost surely, 2^{51651164277107} is an apocalyptic number.

51651164277107 is a deficient number, since it is larger than the sum of its proper divisors (498710269).

51651164277107 is a wasteful number, since it uses less digits than its factorization.

51651164277107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498710268.

The product of its (nonzero) digits is 2469600, while the sum is 53.

The spelling of 51651164277107 in words is "fifty-one trillion, six hundred fifty-one billion, one hundred sixty-four million, two hundred seventy-seven thousand, one hundred seven".