52181258152148 has 12 divisors (see below), whose sum is σ = 91628864572980. Its totient is φ = 26001582559872.

The previous prime is 52181258151941. The next prime is 52181258152201. The reversal of 52181258152148 is 84125185218125.

It can be written as a sum of positive squares in 2 ways, for example, as 42710695056964 + 9470563095184 = 6535342^2 + 3077428^2 .

It is a super-2 number, since 2×52181258152148² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52181258152148.

It is a congruent number.

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, 22261627733 + ... + 22261630076.

It is an arithmetic number, because the mean of its divisors is an integer number (7635738714415).

Almost surely, 2^{52181258152148} is an apocalyptic number.

It is an amenable number.

52181258152148 is a deficient number, since it is larger than the sum of its proper divisors (39447606420832).

52181258152148 is a wasteful number, since it uses less digits than its factorization.

52181258152148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44523258106 (or 44523258104 counting only the distinct ones).

The product of its digits is 2048000, while the sum is 53.

The spelling of 52181258152148 in words is "fifty-two trillion, one hundred eighty-one billion, two hundred fifty-eight million, one hundred fifty-two thousand, one hundred forty-eight".