1154320452043 has 16 divisors (see below), whose sum is σ = 1314072460800. Its totient is φ = 1003708478080.

The previous prime is 1154320452001. The next prime is 1154320452059. The reversal of 1154320452043 is 3402540234511.

It is not a de Polignac number, because 1154320452043 - 2²⁵ = 1154286897611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154320459043) 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 15 ways as a sum of consecutive naturals, for example, 5760723 + ... + 5957731.

It is an arithmetic number, because the mean of its divisors is an integer number (82129528800).

Almost surely, 2^{1154320452043} is an apocalyptic number.

1154320452043 is a deficient number, since it is larger than the sum of its proper divisors (159752008757).

1154320452043 is a wasteful number, since it uses less digits than its factorization.

1154320452043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220202.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1154320452043 its reverse (3402540234511), we get a palindrome (4556860686554).

The spelling of 1154320452043 in words is "one trillion, one hundred fifty-four billion, three hundred twenty million, four hundred fifty-two thousand, forty-three".