51505160511652 has 12 divisors (see below), whose sum is σ = 90134081798236. Its totient is φ = 25752565712160.

The previous prime is 51505160511643. The next prime is 51505160511653. The reversal of 51505160511652 is 25611506150515.

It can be written as a sum of positive squares in 2 ways, for example, as 49277114694756 + 2228045816896 = 7019766^2 + 1492664^2 .

It is a super-3 number, since 3×51505160511652³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51505160511599 and 51505160511608.

It is not an unprimeable number, because it can be changed into a prime (51505160511653) 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, 10087918 + ... + 14310010.

Almost surely, 2^{51505160511652} is an apocalyptic number.

It is an amenable number.

51505160511652 is a deficient number, since it is larger than the sum of its proper divisors (38628921286584).

51505160511652 is a wasteful number, since it uses less digits than its factorization.

51505160511652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271838 (or 7271836 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 43.

The spelling of 51505160511652 in words is "fifty-one trillion, five hundred five billion, one hundred sixty million, five hundred eleven thousand, six hundred fifty-two".