51122452504 has 16 divisors (see below), whose sum is σ = 95857353000. Its totient is φ = 25560491712.

The previous prime is 51122452483. The next prime is 51122452571. The reversal of 51122452504 is 40525422115.

It is a super-2 number, since 2×51122452504² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 304699 + ... + 441685.

Almost surely, 2^51122452504 is an apocalyptic number.

It is an amenable number.

51122452504 is a deficient number, since it is larger than the sum of its proper divisors (44734900496).

51122452504 is a wasteful number, since it uses less digits than its factorization.

51122452504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183642 (or 183638 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 51122452504 its reverse (40525422115), we get a palindrome (91647874619).

The spelling of 51122452504 in words is "fifty-one billion, one hundred twenty-two million, four hundred fifty-two thousand, five hundred four".