51201633424 has 40 divisors (see below), whose sum is σ = 99598580640. Its totient is φ = 25498983168.

The previous prime is 51201633421. The next prime is 51201633433. The reversal of 51201633424 is 42433610215.

It is not an unprimeable number, because it can be changed into a prime (51201633421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4245547 + ... + 4257589.

It is an arithmetic number, because the mean of its divisors is an integer number (2489964516).

Almost surely, 2^51201633424 is an apocalyptic number.

It is an amenable number.

51201633424 is a deficient number, since it is larger than the sum of its proper divisors (48396947216).

51201633424 is a wasteful number, since it uses less digits than its factorization.

51201633424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13087 (or 13081 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 51201633424 in words is "fifty-one billion, two hundred one million, six hundred thirty-three thousand, four hundred twenty-four".