11547436673 has 2 divisors, whose sum is σ = 11547436674. Its totient is φ = 11547436672.

The previous prime is 11547436633. The next prime is 11547436699. The reversal of 11547436673 is 37663474511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11271644224 + 275792449 = 106168^2 + 16607^2 .

It is a cyclic number.

It is not a de Polignac number, because 11547436673 - 2¹⁶ = 11547371137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11547436613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5773718336 + 5773718337.

It is an arithmetic number, because the mean of its divisors is an integer number (5773718337).

Almost surely, 2^11547436673 is an apocalyptic number.

It is an amenable number.

11547436673 is a deficient number, since it is larger than the sum of its proper divisors (1).

11547436673 is an equidigital number, since it uses as much as digits as its factorization.

11547436673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 47.

The spelling of 11547436673 in words is "eleven billion, five hundred forty-seven million, four hundred thirty-six thousand, six hundred seventy-three".