5256743873045 has 54 divisors (see below), whose sum is σ = 7601249510946. Its totient is φ = 3479637940800.

The previous prime is 5256743873041. The next prime is 5256743873071. The reversal of 5256743873045 is 5403783476525.

It can be written as a sum of positive squares in 3 ways, for example, as 605056845316 + 4651687027729 = 777854^2 + 2156777^2 .

It is not a de Polignac number, because 5256743873045 - 2² = 5256743873041 is a prime.

It is a super-2 number, since 2×5256743873045² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256743873041) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1040730770 + ... + 1040735820.

Almost surely, 2^{5256743873045} is an apocalyptic number.

It is an amenable number.

5256743873045 is a deficient number, since it is larger than the sum of its proper divisors (2344505637901).

5256743873045 is an frugal number, since it uses more digits than its factorization.

5256743873045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10179 (or 5092 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 59.

The spelling of 5256743873045 in words is "five trillion, two hundred fifty-six billion, seven hundred forty-three million, eight hundred seventy-three thousand, forty-five".