1144054515523 has 4 divisors (see below), whose sum is σ = 1144078095160. Its totient is φ = 1144030935888.

The previous prime is 1144054515493. The next prime is 1144054515529. The reversal of 1144054515523 is 3255154504411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144054515523 - 2⁵ = 1144054515491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144054515529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11716890 + ... + 11814127.

It is an arithmetic number, because the mean of its divisors is an integer number (286019523790).

Almost surely, 2^{1144054515523} is an apocalyptic number.

1144054515523 is a deficient number, since it is larger than the sum of its proper divisors (23579637).

1144054515523 is an equidigital number, since it uses as much as digits as its factorization.

1144054515523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23579636.

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 1144054515523 in words is "one trillion, one hundred forty-four billion, fifty-four million, five hundred fifteen thousand, five hundred twenty-three".