11047642547 has 2 divisors, whose sum is σ = 11047642548. Its totient is φ = 11047642546.

The previous prime is 11047642531. The next prime is 11047642591. The reversal of 11047642547 is 74524674011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11047642547 - 2⁴ = 11047642531 is a prime.

It is not a weakly prime, because it can be changed into another prime (11047642247) 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, 5523821273 + 5523821274.

It is an arithmetic number, because the mean of its divisors is an integer number (5523821274).

Almost surely, 2^11047642547 is an apocalyptic number.

11047642547 is a deficient number, since it is larger than the sum of its proper divisors (1).

11047642547 is an equidigital number, since it uses as much as digits as its factorization.

11047642547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 11047642547 in words is "eleven billion, forty-seven million, six hundred forty-two thousand, five hundred forty-seven".