5726731161005 has 16 divisors (see below), whose sum is σ = 7173511019184. Its totient is φ = 4384488890880.

The previous prime is 5726731160987. The next prime is 5726731161013. The reversal of 5726731161005 is 5001611376275.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 498461416324 + 5228269744681 = 706018^2 + 2286541^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5726731161005 is a prime.

It is a super-2 number, since 2×5726731161005² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253720712 + ... + 253743281.

It is an arithmetic number, because the mean of its divisors is an integer number (448344438699).

Almost surely, 2^{5726731161005} is an apocalyptic number.

It is an amenable number.

5726731161005 is a deficient number, since it is larger than the sum of its proper divisors (1446779858179).

5726731161005 is a wasteful number, since it uses less digits than its factorization.

5726731161005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507464096.

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 5726731161005 in words is "five trillion, seven hundred twenty-six billion, seven hundred thirty-one million, one hundred sixty-one thousand, five".