11202245545 has 4 divisors (see below), whose sum is σ = 13442694660. Its totient is φ = 8961796432.

The previous prime is 11202245513. The next prime is 11202245567. The reversal of 11202245545 is 54554220211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54554220211 = 60259 ⋅905329.

It can be written as a sum of positive squares in 2 ways, for example, as 3572572441 + 7629673104 = 59771^2 + 87348^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202245545 - 2⁵ = 11202245513 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120224550 + ... + 1120224559.

It is an arithmetic number, because the mean of its divisors is an integer number (3360673665).

Almost surely, 2^11202245545 is an apocalyptic number.

It is an amenable number.

11202245545 is a deficient number, since it is larger than the sum of its proper divisors (2240449115).

11202245545 is an equidigital number, since it uses as much as digits as its factorization.

11202245545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240449114.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 11202245545 its reverse (54554220211), we get a palindrome (65756465756).

The spelling of 11202245545 in words is "eleven billion, two hundred two million, two hundred forty-five thousand, five hundred forty-five".