3003245515561 has 2 divisors, whose sum is σ = 3003245515562. Its totient is φ = 3003245515560.

The previous prime is 3003245515537. The next prime is 3003245515577. The reversal of 3003245515561 is 1655155423003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2084847210000 + 918398305561 = 1443900^2 + 958331^2 .

It is a cyclic number.

It is not a de Polignac number, because 3003245515561 - 2³⁷ = 2865806562089 is a prime.

It is not a weakly prime, because it can be changed into another prime (3003245510561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1501622757780 + 1501622757781.

It is an arithmetic number, because the mean of its divisors is an integer number (1501622757781).

Almost surely, 2^{3003245515561} is an apocalyptic number.

It is an amenable number.

3003245515561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3003245515561 is an equidigital number, since it uses as much as digits as its factorization.

3003245515561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 3003245515561 in words is "three trillion, three billion, two hundred forty-five million, five hundred fifteen thousand, five hundred sixty-one".