11406065543 has 8 divisors (see below), whose sum is σ = 11528017488. Its totient is φ = 11284737984.

The previous prime is 11406065533. The next prime is 11406065557. The reversal of 11406065543 is 34556060411.

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

It is not a de Polignac number, because 11406065543 - 2¹⁶ = 11406000007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11406065533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119321 + ... + 192482.

It is an arithmetic number, because the mean of its divisors is an integer number (1441002186).

Almost surely, 2^11406065543 is an apocalyptic number.

11406065543 is a deficient number, since it is larger than the sum of its proper divisors (121951945).

11406065543 is a wasteful number, since it uses less digits than its factorization.

11406065543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312193.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 11406065543 in words is "eleven billion, four hundred six million, sixty-five thousand, five hundred forty-three".