1151344543 has 4 divisors (see below), whose sum is σ = 1165216248. Its totient is φ = 1137472840.

The previous prime is 1151344531. The next prime is 1151344547. The reversal of 1151344543 is 3454431511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3454431511 = 1303 ⋅2651137.

It is a cyclic number.

It is not a de Polignac number, because 1151344543 - 2⁹ = 1151344031 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 (1151344547) 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, 6935728 + ... + 6935893.

It is an arithmetic number, because the mean of its divisors is an integer number (291304062).

Almost surely, 2^1151344543 is an apocalyptic number.

1151344543 is a deficient number, since it is larger than the sum of its proper divisors (13871705).

1151344543 is an equidigital number, since it uses as much as digits as its factorization.

1151344543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13871704.

The product of its digits is 14400, while the sum is 31.

The square root of 1151344543 is about 33931.4683295610. The cubic root of 1151344543 is about 1048.0977024537.

The spelling of 1151344543 in words is "one billion, one hundred fifty-one million, three hundred forty-four thousand, five hundred forty-three".