11667473543 has 8 divisors (see below), whose sum is σ = 12752589456. Its totient is φ = 10586430400.

The previous prime is 11667473497. The next prime is 11667473567. The reversal of 11667473543 is 34537476611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11667473543 - 2⁸ = 11667473287 is a prime.

It is a super-2 number, since 2×11667473543² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667473243) 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 in 7 ways as a sum of consecutive naturals, for example, 1012196 + ... + 1023657.

It is an arithmetic number, because the mean of its divisors is an integer number (1594073682).

Almost surely, 2^11667473543 is an apocalyptic number.

11667473543 is a deficient number, since it is larger than the sum of its proper divisors (1085115913).

11667473543 is a wasteful number, since it uses less digits than its factorization.

11667473543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036385.

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

The spelling of 11667473543 in words is "eleven billion, six hundred sixty-seven million, four hundred seventy-three thousand, five hundred forty-three".