51512422134 has 16 divisors (see below), whose sum is σ = 103046441472. Its totient is φ = 17167207848.

The previous prime is 51512422079. The next prime is 51512422139. The reversal of 51512422134 is 43122421515.

It is a super-2 number, since 2×51512422134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51512422139) 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, 868794 + ... + 926189.

It is an arithmetic number, because the mean of its divisors is an integer number (6440402592).

Almost surely, 2^51512422134 is an apocalyptic number.

51512422134 is an abundant number, since it is smaller than the sum of its proper divisors (51534019338).

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

51512422134 is a wasteful number, since it uses less digits than its factorization.

51512422134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799771.

The product of its digits is 9600, while the sum is 30.

Adding to 51512422134 its reverse (43122421515), we get a palindrome (94634843649).

The spelling of 51512422134 in words is "fifty-one billion, five hundred twelve million, four hundred twenty-two thousand, one hundred thirty-four".