11403253344 has 72 divisors (see below), whose sum is σ = 34820662968. Its totient is φ = 3258071040.

The previous prime is 11403253297. The next prime is 11403253349. The reversal of 11403253344 is 44335230411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403253349) 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, 1207377 + ... + 1216784.

It is an arithmetic number, because the mean of its divisors is an integer number (483620319).

Almost surely, 2^11403253344 is an apocalyptic number.

11403253344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11403253344 is an abundant number, since it is smaller than the sum of its proper divisors (23417409624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11403253344 is a wasteful number, since it uses less digits than its factorization.

11403253344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424188 (or 2424173 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 11403253344 its reverse (44335230411), we get a palindrome (55738483755).

The spelling of 11403253344 in words is "eleven billion, four hundred three million, two hundred fifty-three thousand, three hundred forty-four".