11547354811 has 2 divisors, whose sum is σ = 11547354812. Its totient is φ = 11547354810.

The previous prime is 11547354799. The next prime is 11547354893. The reversal of 11547354811 is 11845374511.

It is a happy number.

11547354811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11547354811 - 2¹⁵ = 11547322043 is a prime.

It is a super-2 number, since 2×11547354811² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11547354011) 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, 5773677405 + 5773677406.

It is an arithmetic number, because the mean of its divisors is an integer number (5773677406).

Almost surely, 2^11547354811 is an apocalyptic number.

11547354811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11547354811 is an equidigital number, since it uses as much as digits as its factorization.

11547354811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 40.

The spelling of 11547354811 in words is "eleven billion, five hundred forty-seven million, three hundred fifty-four thousand, eight hundred eleven".