11451123005043 has 8 divisors (see below), whose sum is σ = 15268827614656. Its totient is φ = 7633750199400.

The previous prime is 11451123005033. The next prime is 11451123005059. The reversal of 11451123005043 is 34050032115411.

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

It is not a de Polignac number, because 11451123005043 - 2¹⁰ = 11451123004019 is a prime.

It is a super-2 number, since 2×11451123005043² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11451123005043.

It is not an unprimeable number, because it can be changed into a prime (11451123005033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82870453 + ... + 83008518.

It is an arithmetic number, because the mean of its divisors is an integer number (1908603451832).

Almost surely, 2^{11451123005043} is an apocalyptic number.

11451123005043 is a deficient number, since it is larger than the sum of its proper divisors (3817704609613).

11451123005043 is a wasteful number, since it uses less digits than its factorization.

11451123005043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165901985.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 11451123005043 in words is "eleven trillion, four hundred fifty-one billion, one hundred twenty-three million, five thousand, forty-three".