11603513312399 has 2 divisors, whose sum is σ = 11603513312400. Its totient is φ = 11603513312398.

The previous prime is 11603513312393. The next prime is 11603513312471. The reversal of 11603513312399 is 99321331530611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11603513312399 - 2²⁰ = 11603512263823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11603513312393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5801756656199 + 5801756656200.

It is an arithmetic number, because the mean of its divisors is an integer number (5801756656200).

Almost surely, 2^{11603513312399} is an apocalyptic number.

11603513312399 is a deficient number, since it is larger than the sum of its proper divisors (1).

11603513312399 is an equidigital number, since it uses as much as digits as its factorization.

11603513312399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393660, while the sum is 47.

The spelling of 11603513312399 in words is "eleven trillion, six hundred three billion, five hundred thirteen million, three hundred twelve thousand, three hundred ninety-nine".