11303553440 has 48 divisors (see below), whose sum is σ = 26711338248. Its totient is φ = 4520288256.

The previous prime is 11303553433. The next prime is 11303553461. The reversal of 11303553440 is 4435530311.

It can be written as a sum of positive squares in 4 ways, for example, as 11101572496 + 201980944 = 105364^2 + 14212^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965864 + ... + 977496.

Almost surely, 2^11303553440 is an apocalyptic number.

11303553440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11303553440 is an abundant number, since it is smaller than the sum of its proper divisors (15407784808).

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

11303553440 is a wasteful number, since it uses less digits than its factorization.

11303553440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17721 (or 17713 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 11303553440 in words is "eleven billion, three hundred three million, five hundred fifty-three thousand, four hundred forty".