11344315503 has 16 divisors (see below), whose sum is σ = 15947129600. Its totient is φ = 7153453440.

The previous prime is 11344315483. The next prime is 11344315531. The reversal of 11344315503 is 30551344311.

It is not a de Polignac number, because 11344315503 - 2⁵ = 11344315471 is a prime.

It is a super-2 number, since 2×11344315503² (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 (11344315573) 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, 121738 + ... + 193671.

It is an arithmetic number, because the mean of its divisors is an integer number (996695600).

Almost surely, 2^11344315503 is an apocalyptic number.

11344315503 is a deficient number, since it is larger than the sum of its proper divisors (4602814097).

11344315503 is a wasteful number, since it uses less digits than its factorization.

11344315503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316062.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 11344315503 its reverse (30551344311), we get a palindrome (41895659814).

The spelling of 11344315503 in words is "eleven billion, three hundred forty-four million, three hundred fifteen thousand, five hundred three".