3531061908543 has 48 divisors (see below), whose sum is σ = 5274616320000. Its totient is φ = 2097745663104.

The previous prime is 3531061908461. The next prime is 3531061908557. The reversal of 3531061908543 is 3458091601353.

It is a Cunningham number, because it is equal to 1879112²-1.

It is not a de Polignac number, because 3531061908543 - 2²⁶ = 3530994799679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3531061908492 and 3531061908501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531061908043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163471858 + ... + 163493456.

It is an arithmetic number, because the mean of its divisors is an integer number (109887840000).

Almost surely, 2^{3531061908543} is an apocalyptic number.

3531061908543 is a deficient number, since it is larger than the sum of its proper divisors (1743554411457).

3531061908543 is a wasteful number, since it uses less digits than its factorization.

3531061908543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32776 (or 32763 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 3531061908543 in words is "three trillion, five hundred thirty-one billion, sixty-one million, nine hundred eight thousand, five hundred forty-three".