51504451112 has 16 divisors (see below), whose sum is σ = 96680474100. Its totient is φ = 25722991360.

The previous prime is 51504451099. The next prime is 51504451123. The reversal of 51504451112 is 21115440515.

It can be written as a sum of positive squares in 2 ways, for example, as 36575032516 + 14929418596 = 191246^2 + 122186^2 .

It is a super-3 number, since 3×51504451112³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3646787 + ... + 3660882.

Almost surely, 2^51504451112 is an apocalyptic number.

It is an amenable number.

51504451112 is a deficient number, since it is larger than the sum of its proper divisors (45176022988).

51504451112 is a wasteful number, since it uses less digits than its factorization.

51504451112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308556 (or 7308552 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 51504451112 its reverse (21115440515), we get a palindrome (72619891627).

The spelling of 51504451112 in words is "fifty-one billion, five hundred four million, four hundred fifty-one thousand, one hundred twelve".