11544047 has 2 divisors, whose sum is σ = 11544048. Its totient is φ = 11544046.

The previous prime is 11544011. The next prime is 11544061. The reversal of 11544047 is 74044511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11544047 - 2¹⁰ = 11543023 is a prime.

It is a super-2 number, since 2×11544047² = 266530042276418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11544007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772023 + 5772024.

It is an arithmetic number, because the mean of its divisors is an integer number (5772024).

Almost surely, 2^11544047 is an apocalyptic number.

11544047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11544047 is an equidigital number, since it uses as much as digits as its factorization.

11544047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 11544047 is about 3397.6531606390. The cubic root of 11544047 is about 226.0056841967.

Adding to 11544047 its reverse (74044511), we get a palindrome (85588558).

The spelling of 11544047 in words is "eleven million, five hundred forty-four thousand, forty-seven".