2003416282561 has 4 divisors (see below), whose sum is σ = 2037372490800. Its totient is φ = 1969460074324.

The previous prime is 2003416282499. The next prime is 2003416282601. The reversal of 2003416282561 is 1652826143002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2003416282561 - 2¹⁷ = 2003416151489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003416282261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16978104031 + ... + 16978104148.

It is an arithmetic number, because the mean of its divisors is an integer number (509343122700).

Almost surely, 2^{2003416282561} is an apocalyptic number.

It is an amenable number.

2003416282561 is a deficient number, since it is larger than the sum of its proper divisors (33956208239).

2003416282561 is an equidigital number, since it uses as much as digits as its factorization.

2003416282561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33956208238.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 2003416282561 in words is "two trillion, three billion, four hundred sixteen million, two hundred eighty-two thousand, five hundred sixty-one".