11303211440 has 40 divisors (see below), whose sum is σ = 26296078848. Its totient is φ = 4518512640.

The previous prime is 11303211433. The next prime is 11303211443. The reversal of 11303211440 is 4411230311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (11303211443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90560 + ... + 175520.

Almost surely, 2^11303211440 is an apocalyptic number.

11303211440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11303211440 is an abundant number, since it is smaller than the sum of its proper divisors (14992867408).

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

11303211440 is a wasteful number, since it uses less digits than its factorization.

11303211440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86637 (or 86631 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11303211440 its reverse (4411230311), we get a palindrome (15714441751).

The spelling of 11303211440 in words is "eleven billion, three hundred three million, two hundred eleven thousand, four hundred forty".