11003145245 has 12 divisors (see below), whose sum is σ = 13364814396. Its totient is φ = 8696434560.

The previous prime is 11003145227. The next prime is 11003145247. The reversal of 11003145245 is 54254130011.

It can be written as a sum of positive squares in 2 ways, for example, as 2982688996 + 8020456249 = 54614^2 + 89557^2 .

It is not a de Polignac number, because 11003145245 - 2¹⁶ = 11003079709 is a prime.

It is a super-2 number, since 2×11003145245² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003145247) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 125276 + ... + 194165.

It is an arithmetic number, because the mean of its divisors is an integer number (1113734533).

Almost surely, 2^11003145245 is an apocalyptic number.

It is an amenable number.

11003145245 is a deficient number, since it is larger than the sum of its proper divisors (2361669151).

11003145245 is an frugal number, since it uses more digits than its factorization.

11003145245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319612 (or 319529 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11003145245 its reverse (54254130011), we get a palindrome (65257275256).

The spelling of 11003145245 in words is "eleven billion, three million, one hundred forty-five thousand, two hundred forty-five".