3561120052003 has 2 divisors, whose sum is σ = 3561120052004. Its totient is φ = 3561120052002.

The previous prime is 3561120051977. The next prime is 3561120052013. The reversal of 3561120052003 is 3002500211653.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3561120052003 - 2²⁵ = 3561086497571 is a prime.

It is not a weakly prime, because it can be changed into another prime (3561120052013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780560026001 + 1780560026002.

It is an arithmetic number, because the mean of its divisors is an integer number (1780560026002).

Almost surely, 2^{3561120052003} is an apocalyptic number.

3561120052003 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561120052003 is an equidigital number, since it uses as much as digits as its factorization.

3561120052003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 3561120052003 its reverse (3002500211653), we get a palindrome (6563620263656).

The spelling of 3561120052003 in words is "three trillion, five hundred sixty-one billion, one hundred twenty million, fifty-two thousand, three".