11045315503503 has 64 divisors (see below), whose sum is σ = 17149254819840. Its totient is φ = 7017413356800.

The previous prime is 11045315503487. The next prime is 11045315503567. The reversal of 11045315503503 is 30530551354011.

11045315503503 is a `hidden beast` number, since 1 + 1 + 0 + 4 + 53 + 1 + 550 + 3 + 50 + 3 = 666.

It is not a de Polignac number, because 11045315503503 - 2⁴ = 11045315503487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045315503003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50820501 + ... + 51037377.

It is an arithmetic number, because the mean of its divisors is an integer number (267957106560).

Almost surely, 2^{11045315503503} is an apocalyptic number.

11045315503503 is a deficient number, since it is larger than the sum of its proper divisors (6103939316337).

11045315503503 is a wasteful number, since it uses less digits than its factorization.

11045315503503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217845 (or 217839 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

Adding to 11045315503503 its reverse (30530551354011), we get a palindrome (41575866857514).

The spelling of 11045315503503 in words is "eleven trillion, forty-five billion, three hundred fifteen million, five hundred three thousand, five hundred three".