11145024545 has 4 divisors (see below), whose sum is σ = 13374029460. Its totient is φ = 8916019632.

The previous prime is 11145024439. The next prime is 11145024571. The reversal of 11145024545 is 54542054111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7710947344 + 3434077201 = 87812^2 + 58601^2 .

It is a cyclic number.

It is not a de Polignac number, because 11145024545 - 2¹⁰ = 11145023521 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114502450 + ... + 1114502459.

It is an arithmetic number, because the mean of its divisors is an integer number (3343507365).

Almost surely, 2^11145024545 is an apocalyptic number.

It is an amenable number.

11145024545 is a deficient number, since it is larger than the sum of its proper divisors (2229004915).

11145024545 is an equidigital number, since it uses as much as digits as its factorization.

11145024545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229004914.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 11145024545 its reverse (54542054111), we get a palindrome (65687078656).

The spelling of 11145024545 in words is "eleven billion, one hundred forty-five million, twenty-four thousand, five hundred forty-five".