51125415002 has 16 divisors (see below), whose sum is σ = 77192742912. Its totient is φ = 25394569200.

The previous prime is 51125414993. The next prime is 51125415007. The reversal of 51125415002 is 20051452115.

It is a super-2 number, since 2×51125415002² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51125415007) 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, 1789127 + ... + 1817477.

It is an arithmetic number, because the mean of its divisors is an integer number (4824546432).

Almost surely, 2^51125415002 is an apocalyptic number.

51125415002 is a deficient number, since it is larger than the sum of its proper divisors (26067327910).

51125415002 is a wasteful number, since it uses less digits than its factorization.

51125415002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34253.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 51125415002 its reverse (20051452115), we get a palindrome (71176867117).

The spelling of 51125415002 in words is "fifty-one billion, one hundred twenty-five million, four hundred fifteen thousand, two".