51333624040461 has 8 divisors (see below), whose sum is σ = 78222665204544. Its totient is φ = 29333499451680.

The previous prime is 51333624040459. The next prime is 51333624040511. The reversal of 51333624040461 is 16404042633315.

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

It is not a de Polignac number, because 51333624040461 - 2¹ = 51333624040459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51333624040961) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1222229143800 + ... + 1222229143841.

It is an arithmetic number, because the mean of its divisors is an integer number (9777833150568).

Almost surely, 2^{51333624040461} is an apocalyptic number.

It is an amenable number.

51333624040461 is a deficient number, since it is larger than the sum of its proper divisors (26889041164083).

51333624040461 is a wasteful number, since it uses less digits than its factorization.

51333624040461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444458287651.

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 51333624040461 its reverse (16404042633315), we get a palindrome (67737666673776).

The spelling of 51333624040461 in words is "fifty-one trillion, three hundred thirty-three billion, six hundred twenty-four million, forty thousand, four hundred sixty-one".