51375724005 has 16 divisors (see below), whose sum is σ = 82204920000. Its totient is φ = 27399132288.

The previous prime is 51375724003. The next prime is 51375724007. The reversal of 51375724005 is 50042757315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51375724003) and next prime (51375724007).

It is not a de Polignac number, because 51375724005 - 2¹ = 51375724003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51375724003) 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 15 ways as a sum of consecutive naturals, for example, 328494 + ... + 458976.

It is an arithmetic number, because the mean of its divisors is an integer number (5137807500).

Almost surely, 2^51375724005 is an apocalyptic number.

It is an amenable number.

51375724005 is a deficient number, since it is larger than the sum of its proper divisors (30829195995).

51375724005 is a wasteful number, since it uses less digits than its factorization.

51375724005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156740.

The product of its (nonzero) digits is 147000, while the sum is 39.

The spelling of 51375724005 in words is "fifty-one billion, three hundred seventy-five million, seven hundred twenty-four thousand, five".