1154331216343 has 4 divisors (see below), whose sum is σ = 1173254678968. Its totient is φ = 1135407753720.

The previous prime is 1154331216287. The next prime is 1154331216347. The reversal of 1154331216343 is 3436121334511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1154331216343 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 (1154331216347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9461731221 + ... + 9461731342.

It is an arithmetic number, because the mean of its divisors is an integer number (293313669742).

Almost surely, 2^{1154331216343} is an apocalyptic number.

1154331216343 is a deficient number, since it is larger than the sum of its proper divisors (18923462625).

1154331216343 is an equidigital number, since it uses as much as digits as its factorization.

1154331216343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18923462624.

The product of its digits is 77760, while the sum is 37.

The spelling of 1154331216343 in words is "one trillion, one hundred fifty-four billion, three hundred thirty-one million, two hundred sixteen thousand, three hundred forty-three".