3561531141 has 12 divisors (see below), whose sum is σ = 5524007712. Its totient is φ = 2035160568.

The previous prime is 3561531139. The next prime is 3561531143. The reversal of 3561531141 is 1411351653.

3561531141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3561531139) and next prime (3561531143).

It is not a de Polignac number, because 3561531141 - 2¹ = 3561531139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3561531099 and 3561531108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561531143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12113905 + ... + 12114198.

It is an arithmetic number, because the mean of its divisors is an integer number (460333976).

Almost surely, 2^3561531141 is an apocalyptic number.

It is an amenable number.

3561531141 is a deficient number, since it is larger than the sum of its proper divisors (1962476571).

3561531141 is a wasteful number, since it uses less digits than its factorization.

3561531141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24228120 (or 24228113 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 3561531141 is about 59678.5651720951. The cubic root of 3561531141 is about 1527.1402204011.

Adding to 3561531141 its reverse (1411351653), we get a palindrome (4972882794).

The spelling of 3561531141 in words is "three billion, five hundred sixty-one million, five hundred thirty-one thousand, one hundred forty-one".