11515244253 has 16 divisors (see below), whose sum is σ = 17112438720. Its totient is φ = 6844974336.

The previous prime is 11515244249. The next prime is 11515244261. The reversal of 11515244253 is 35244251511.

It is not a de Polignac number, because 11515244253 - 2² = 11515244249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11515244233) 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, 5940850 + ... + 5942787.

It is an arithmetic number, because the mean of its divisors is an integer number (1069527420).

Almost surely, 2^11515244253 is an apocalyptic number.

It is an amenable number.

11515244253 is a deficient number, since it is larger than the sum of its proper divisors (5597194467).

11515244253 is a wasteful number, since it uses less digits than its factorization.

11515244253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11883676.

The product of its digits is 24000, while the sum is 33.

Adding to 11515244253 its reverse (35244251511), we get a palindrome (46759495764).

The spelling of 11515244253 in words is "eleven billion, five hundred fifteen million, two hundred forty-four thousand, two hundred fifty-three".