51125410131 has 8 divisors (see below), whose sum is σ = 68281017600. Its totient is φ = 34026704712.

The previous prime is 51125410111. The next prime is 51125410157. The reversal of 51125410131 is 13101452115.

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

It is not a de Polignac number, because 51125410131 - 2¹³ = 51125401939 is a prime.

It is a super-2 number, since 2×51125410131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51125410111) 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 7 ways as a sum of consecutive naturals, for example, 14223415 + ... + 14227008.

It is an arithmetic number, because the mean of its divisors is an integer number (8535127200).

Almost surely, 2^51125410131 is an apocalyptic number.

51125410131 is a deficient number, since it is larger than the sum of its proper divisors (17155607469).

51125410131 is a wasteful number, since it uses less digits than its factorization.

51125410131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28451025.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 51125410131 its reverse (13101452115), we get a palindrome (64226862246).

The spelling of 51125410131 in words is "fifty-one billion, one hundred twenty-five million, four hundred ten thousand, one hundred thirty-one".