51133162132 has 48 divisors (see below), whose sum is σ = 99157241232. Its totient is φ = 22925260800.

The previous prime is 51133162117. The next prime is 51133162141. The reversal of 51133162132 is 23126133115.

It is a happy number.

51133162132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 726625936 + 50406536196 = 26956^2 + 224514^2 .

It is a super-2 number, since 2×51133162132² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51133162132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186508 + ... + 370204.

It is an arithmetic number, because the mean of its divisors is an integer number (2065775859).

Almost surely, 2^51133162132 is an apocalyptic number.

51133162132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51133162132 is a deficient number, since it is larger than the sum of its proper divisors (48024079100).

51133162132 is a wasteful number, since it uses less digits than its factorization.

51133162132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183868 (or 183866 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

Adding to 51133162132 its reverse (23126133115), we get a palindrome (74259295247).

The spelling of 51133162132 in words is "fifty-one billion, one hundred thirty-three million, one hundred sixty-two thousand, one hundred thirty-two".