11555160563 has 2 divisors, whose sum is σ = 11555160564. Its totient is φ = 11555160562.

The previous prime is 11555160497. The next prime is 11555160613. The reversal of 11555160563 is 36506155511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11555160563 - 2⁸ = 11555160307 is a prime.

It is not a weakly prime, because it can be changed into another prime (11555160263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5777580281 + 5777580282.

It is an arithmetic number, because the mean of its divisors is an integer number (5777580282).

Almost surely, 2^11555160563 is an apocalyptic number.

11555160563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11555160563 is an equidigital number, since it uses as much as digits as its factorization.

11555160563 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 11555160563 in words is "eleven billion, five hundred fifty-five million, one hundred sixty thousand, five hundred sixty-three".