51325651458 has 40 divisors (see below), whose sum is σ = 115413968208. Its totient is φ = 17048081016.

The previous prime is 51325651451. The next prime is 51325651471. The reversal of 51325651458 is 85415652315.

51325651458 is a `hidden beast` number, since 5 + 1 + 32 + 56 + 514 + 58 = 666.

It is not an unprimeable number, because it can be changed into a prime (51325651451) 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 19 ways as a sum of consecutive naturals, for example, 513916 + ... + 605607.

Almost surely, 2^51325651458 is an apocalyptic number.

51325651458 is an abundant number, since it is smaller than the sum of its proper divisors (64088316750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51325651458 is a wasteful number, since it uses less digits than its factorization.

51325651458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119820 (or 1119811 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The spelling of 51325651458 in words is "fifty-one billion, three hundred twenty-five million, six hundred fifty-one thousand, four hundred fifty-eight".