11045343545 has 8 divisors (see below), whose sum is σ = 13255539720. Its totient is φ = 8835523200.

The previous prime is 11045343503. The next prime is 11045343557. The reversal of 11045343545 is 54534354011.

It can be written as a sum of positive squares in 4 ways, for example, as 64818601 + 10980524944 = 8051^2 + 104788^2 .

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

It is not a de Polignac number, because 11045343545 - 2¹⁶ = 11045278009 is a prime.

It is a super-2 number, since 2×11045343545² (a number of 21 digits) contains 22 as substring.

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, 24650 + ... + 150659.

It is an arithmetic number, because the mean of its divisors is an integer number (1656942465).

Almost surely, 2^11045343545 is an apocalyptic number.

It is an amenable number.

11045343545 is a deficient number, since it is larger than the sum of its proper divisors (2210196175).

11045343545 is a wasteful number, since it uses less digits than its factorization.

11045343545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187915.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 11045343545 its reverse (54534354011), we get a palindrome (65579697556).

The spelling of 11045343545 in words is "eleven billion, forty-five million, three hundred forty-three thousand, five hundred forty-five".