11343543545 has 8 divisors (see below), whose sum is σ = 13634461896. Its totient is φ = 9060028416.

The previous prime is 11343543527. The next prime is 11343543551. The reversal of 11343543545 is 54534534311.

It can be written as a sum of positive squares in 4 ways, for example, as 1721503081 + 9622040464 = 41491^2 + 98092^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11343543545 - 2³⁰ = 10269801721 is a prime.

It is a super-2 number, since 2×11343543545² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11343543499 and 11343543508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1847432 + ... + 1853561.

It is an arithmetic number, because the mean of its divisors is an integer number (1704307737).

Almost surely, 2^11343543545 is an apocalyptic number.

It is an amenable number.

11343543545 is a deficient number, since it is larger than the sum of its proper divisors (2290918351).

11343543545 is an equidigital number, since it uses as much as digits as its factorization.

11343543545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701611.

The product of its digits is 216000, while the sum is 38.

The spelling of 11343543545 in words is "eleven billion, three hundred forty-three million, five hundred forty-three thousand, five hundred forty-five".