3531441138361 has 8 divisors (see below), whose sum is σ = 3557648415240. Its totient is φ = 3505300463232.

The previous prime is 3531441138341. The next prime is 3531441138389. The reversal of 3531441138361 is 1638311441353.

It can be written as a sum of positive squares in 4 ways, for example, as 3824680336 + 3527616458025 = 61844^2 + 1878195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3531441138361 - 2¹¹ = 3531441136313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3531441138341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16543996 + ... + 16756093.

It is an arithmetic number, because the mean of its divisors is an integer number (444706051905).

Almost surely, 2^{3531441138361} is an apocalyptic number.

It is an amenable number.

3531441138361 is a deficient number, since it is larger than the sum of its proper divisors (26207276879).

3531441138361 is a wasteful number, since it uses less digits than its factorization.

3531441138361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33300875.

The product of its digits is 311040, while the sum is 43.

The spelling of 3531441138361 in words is "three trillion, five hundred thirty-one billion, four hundred forty-one million, one hundred thirty-eight thousand, three hundred sixty-one".