51010752651 has 4 divisors (see below), whose sum is σ = 68014336872. Its totient is φ = 34007168432.

The previous prime is 51010752631. The next prime is 51010752673. The reversal of 51010752651 is 15625701015.

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 51010752651 - 2¹¹ = 51010750603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51010752631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8501792106 + ... + 8501792111.

It is an arithmetic number, because the mean of its divisors is an integer number (17003584218).

Almost surely, 2^51010752651 is an apocalyptic number.

51010752651 is a deficient number, since it is larger than the sum of its proper divisors (17003584221).

51010752651 is a wasteful number, since it uses less digits than its factorization.

51010752651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17003584220.

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 51010752651 in words is "fifty-one billion, ten million, seven hundred fifty-two thousand, six hundred fifty-one".