51595828251 has 16 divisors (see below), whose sum is σ = 75588401280. Its totient is φ = 31045230720.

The previous prime is 51595828247. The next prime is 51595828253. The reversal of 51595828251 is 15282859515.

It is a happy number.

It is not a de Polignac number, because 51595828251 - 2² = 51595828247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51595828194 and 51595828203.

It is not an unprimeable number, because it can be changed into a prime (51595828253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5619550 + ... + 5628723.

It is an arithmetic number, because the mean of its divisors is an integer number (4724275080).

Almost surely, 2^51595828251 is an apocalyptic number.

51595828251 is a deficient number, since it is larger than the sum of its proper divisors (23992573029).

51595828251 is a wasteful number, since it uses less digits than its factorization.

51595828251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248426.

The product of its digits is 1440000, while the sum is 51.

The spelling of 51595828251 in words is "fifty-one billion, five hundred ninety-five million, eight hundred twenty-eight thousand, two hundred fifty-one".