11552861027 has 2 divisors, whose sum is σ = 11552861028. Its totient is φ = 11552861026.

The previous prime is 11552860973. The next prime is 11552861029. The reversal of 11552861027 is 72016825511.

11552861027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (72016825511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11552861027 - 2⁸ = 11552860771 is a prime.

Together with 11552861029, 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 (11552861029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5776430513 + 5776430514.

It is an arithmetic number, because the mean of its divisors is an integer number (5776430514).

Almost surely, 2^11552861027 is an apocalyptic number.

11552861027 is a deficient number, since it is larger than the sum of its proper divisors (1).

11552861027 is an equidigital number, since it uses as much as digits as its factorization.

11552861027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 38.

The spelling of 11552861027 in words is "eleven billion, five hundred fifty-two million, eight hundred sixty-one thousand, twenty-seven".