11550396548387 has 2 divisors, whose sum is σ = 11550396548388. Its totient is φ = 11550396548386.

The previous prime is 11550396548347. The next prime is 11550396548389. The reversal of 11550396548387 is 78384569305511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11550396548387 - 2³⁰ = 11549322806563 is a prime.

Together with 11550396548389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11550396548389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775198274193 + 5775198274194.

It is an arithmetic number, because the mean of its divisors is an integer number (5775198274194).

Almost surely, 2^{11550396548387} is an apocalyptic number.

11550396548387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11550396548387 is an equidigital number, since it uses as much as digits as its factorization.

11550396548387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864000, while the sum is 65.

The spelling of 11550396548387 in words is "eleven trillion, five hundred fifty billion, three hundred ninety-six million, five hundred forty-eight thousand, three hundred eighty-seven".