5511551660003 has 2 divisors, whose sum is σ = 5511551660004. Its totient is φ = 5511551660002.

The previous prime is 5511551659931. The next prime is 5511551660053. The reversal of 5511551660003 is 3000661551155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5511551660003 - 2¹⁰ = 5511551658979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5511551660053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755775830001 + 2755775830002.

It is an arithmetic number, because the mean of its divisors is an integer number (2755775830002).

Almost surely, 2^{5511551660003} is an apocalyptic number.

5511551660003 is a deficient number, since it is larger than the sum of its proper divisors (1).

5511551660003 is an equidigital number, since it uses as much as digits as its factorization.

5511551660003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67500, while the sum is 38.

The spelling of 5511551660003 in words is "five trillion, five hundred eleven billion, five hundred fifty-one million, six hundred sixty thousand, three".