51261310214 has 8 divisors (see below), whose sum is σ = 80235094320. Its totient is φ = 24516278776.

The previous prime is 51261310187. The next prime is 51261310231. The reversal of 51261310214 is 41201316215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557188109 + ... + 557188200.

It is an arithmetic number, because the mean of its divisors is an integer number (10029386790).

Almost surely, 2^51261310214 is an apocalyptic number.

51261310214 is a deficient number, since it is larger than the sum of its proper divisors (28973784106).

51261310214 is a wasteful number, since it uses less digits than its factorization.

51261310214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114376334.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 51261310214 its reverse (41201316215), we get a palindrome (92462626429).

The spelling of 51261310214 in words is "fifty-one billion, two hundred sixty-one million, three hundred ten thousand, two hundred fourteen".