11506660615603 has 2 divisors, whose sum is σ = 11506660615604. Its totient is φ = 11506660615602.

The previous prime is 11506660615591. The next prime is 11506660615627. The reversal of 11506660615603 is 30651606660511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11506660615603 - 2²⁹ = 11506123744691 is a prime.

It is not a weakly prime, because it can be changed into another prime (11506660615403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5753330307801 + 5753330307802.

It is an arithmetic number, because the mean of its divisors is an integer number (5753330307802).

Almost surely, 2^{11506660615603} is an apocalyptic number.

11506660615603 is a deficient number, since it is larger than the sum of its proper divisors (1).

11506660615603 is an equidigital number, since it uses as much as digits as its factorization.

11506660615603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 11506660615603 in words is "eleven trillion, five hundred six billion, six hundred sixty million, six hundred fifteen thousand, six hundred three".