11550547747 has 2 divisors, whose sum is σ = 11550547748. Its totient is φ = 11550547746.

The previous prime is 11550547733. The next prime is 11550547751. The reversal of 11550547747 is 74774505511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11550547747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11550547697 and 11550547706.

It is not a weakly prime, because it can be changed into another prime (11550547147) 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, 5775273873 + 5775273874.

It is an arithmetic number, because the mean of its divisors is an integer number (5775273874).

Almost surely, 2^11550547747 is an apocalyptic number.

11550547747 is a deficient number, since it is larger than the sum of its proper divisors (1).

11550547747 is an equidigital number, since it uses as much as digits as its factorization.

11550547747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 686000, while the sum is 46.

The spelling of 11550547747 in words is "eleven billion, five hundred fifty million, five hundred forty-seven thousand, seven hundred forty-seven".