51541546651 has 12 divisors (see below), whose sum is σ = 60414183720. Its totient is φ = 43841222880.

The previous prime is 51541546603. The next prime is 51541546657. The reversal of 51541546651 is 15664514515.

It is not a de Polignac number, because 51541546651 - 2¹⁹ = 51541022363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51541546598 and 51541546607.

It is not an unprimeable number, because it can be changed into a prime (51541546657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4008346 + ... + 4021183.

It is an arithmetic number, because the mean of its divisors is an integer number (5034515310).

Almost surely, 2^51541546651 is an apocalyptic number.

51541546651 is a deficient number, since it is larger than the sum of its proper divisors (8872637069).

51541546651 is a wasteful number, since it uses less digits than its factorization.

51541546651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8029674 (or 8029667 counting only the distinct ones).

The product of its digits is 360000, while the sum is 43.

The spelling of 51541546651 in words is "fifty-one billion, five hundred forty-one million, five hundred forty-six thousand, six hundred fifty-one".