51224125374 has 24 divisors (see below), whose sum is σ = 111294771120. Its totient is φ = 17027144448.

The previous prime is 51224125369. The next prime is 51224125387. The reversal of 51224125374 is 47352142215.

51224125374 is a `hidden beast` number, since 5 + 122 + 412 + 53 + 74 = 666.

It is a super-2 number, since 2×51224125374² (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 (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3957027 + ... + 3969950.

It is an arithmetic number, because the mean of its divisors is an integer number (4637282130).

Almost surely, 2^51224125374 is an apocalyptic number.

51224125374 is an abundant number, since it is smaller than the sum of its proper divisors (60070645746).

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

51224125374 is a wasteful number, since it uses less digits than its factorization.

51224125374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927344 (or 7927341 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

Adding to 51224125374 its reverse (47352142215), we get a palindrome (98576267589).

The spelling of 51224125374 in words is "fifty-one billion, two hundred twenty-four million, one hundred twenty-five thousand, three hundred seventy-four".