51267620132 has 12 divisors (see below), whose sum is σ = 89719947660. Its totient is φ = 25633349376.

The previous prime is 51267620081. The next prime is 51267620189. The reversal of 51267620132 is 23102676215.

It can be written as a sum of positive squares in 2 ways, for example, as 4327797796 + 46939822336 = 65786^2 + 216656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51267620092 and 51267620101.

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, 307868 + ... + 444204.

It is an arithmetic number, because the mean of its divisors is an integer number (7476662305).

Almost surely, 2^51267620132 is an apocalyptic number.

It is an amenable number.

51267620132 is a deficient number, since it is larger than the sum of its proper divisors (38452327528).

51267620132 is a wasteful number, since it uses less digits than its factorization.

51267620132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230350 (or 230348 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 51267620132 in words is "fifty-one billion, two hundred sixty-seven million, six hundred twenty thousand, one hundred thirty-two".