11243343545 has 8 divisors (see below), whose sum is σ = 15419442624. Its totient is φ = 7709721264.

The previous prime is 11243343523. The next prime is 11243343547. The reversal of 11243343545 is 54534334211.

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

It is not a de Polignac number, because 11243343545 - 2⁶ = 11243343481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 321238387 = 11243343545 / (1 + 1 + 2 + 4 + 3 + 3 + 4 + 3 + 5 + 4 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11243343547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160619159 + ... + 160619228.

It is an arithmetic number, because the mean of its divisors is an integer number (1927430328).

Almost surely, 2^11243343545 is an apocalyptic number.

It is an amenable number.

11243343545 is a deficient number, since it is larger than the sum of its proper divisors (4176099079).

11243343545 is an equidigital number, since it uses as much as digits as its factorization.

11243343545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321238399.

The product of its digits is 86400, while the sum is 35.

Adding to 11243343545 its reverse (54534334211), we get a palindrome (65777677756).

The spelling of 11243343545 in words is "eleven billion, two hundred forty-three million, three hundred forty-three thousand, five hundred forty-five".