51316206011 has 8 divisors (see below), whose sum is σ = 58674864864. Its totient is φ = 43964490240.

The previous prime is 51316205981. The next prime is 51316206023. The reversal of 51316206011 is 11060261315.

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 51316206011 - 2¹⁰ = 51316204987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51316206211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719920 + ... + 1749501.

It is an arithmetic number, because the mean of its divisors is an integer number (7334358108).

Almost surely, 2^51316206011 is an apocalyptic number.

51316206011 is a deficient number, since it is larger than the sum of its proper divisors (7358658853).

51316206011 is a wasteful number, since it uses less digits than its factorization.

51316206011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471541.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 51316206011 its reverse (11060261315), we get a palindrome (62376467326).

The spelling of 51316206011 in words is "fifty-one billion, three hundred sixteen million, two hundred six thousand, eleven".