11145145443 has 16 divisors (see below), whose sum is σ = 15508765440. Its totient is φ = 7105914464.

The previous prime is 11145145441. The next prime is 11145145471. The reversal of 11145145443 is 34454154111.

It is a cyclic number.

It is not a de Polignac number, because 11145145443 - 2¹ = 11145145441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11145145441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731380 + ... + 746462.

It is an arithmetic number, because the mean of its divisors is an integer number (969297840).

Almost surely, 2^11145145443 is an apocalyptic number.

11145145443 is a deficient number, since it is larger than the sum of its proper divisors (4363619997).

11145145443 is a wasteful number, since it uses less digits than its factorization.

11145145443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25818.

The product of its digits is 19200, while the sum is 33.

Adding to 11145145443 its reverse (34454154111), we get a palindrome (45599299554).

The spelling of 11145145443 in words is "eleven billion, one hundred forty-five million, one hundred forty-five thousand, four hundred forty-three".