51122240504 has 16 divisors (see below), whose sum is σ = 96702469920. Its totient is φ = 25334915200.

The previous prime is 51122240473. The next prime is 51122240509. The reversal of 51122240504 is 40504222115.

It is a super-2 number, since 2×51122240504² (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 (51122240509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28274672 + ... + 28276479.

It is an arithmetic number, because the mean of its divisors is an integer number (6043904370).

Almost surely, 2^51122240504 is an apocalyptic number.

It is an amenable number.

51122240504 is a deficient number, since it is larger than the sum of its proper divisors (45580229416).

51122240504 is a wasteful number, since it uses less digits than its factorization.

51122240504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56551270 (or 56551266 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 51122240504 its reverse (40504222115), we get a palindrome (91626462619).

The spelling of 51122240504 in words is "fifty-one billion, one hundred twenty-two million, two hundred forty thousand, five hundred four".