11025003440 has 40 divisors (see below), whose sum is σ = 27963420048. Its totient is φ = 4009091840.

The previous prime is 11025003439. The next prime is 11025003491. The reversal of 11025003440 is 4430052011.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6263327 + ... + 6265086.

Almost surely, 2^11025003440 is an apocalyptic number.

11025003440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11025003440 is an abundant number, since it is smaller than the sum of its proper divisors (16938416608).

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

11025003440 is a wasteful number, since it uses less digits than its factorization.

11025003440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12528437 (or 12528431 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 11025003440 its reverse (4430052011), we get a palindrome (15455055451).

The spelling of 11025003440 in words is "eleven billion, twenty-five million, three thousand, four hundred forty".