11001445040 has 20 divisors (see below), whose sum is σ = 25578359904. Its totient is φ = 4400577984.

The previous prime is 11001445027. The next prime is 11001445067. The reversal of 11001445040 is 4054410011.

It is a tau number, because it is divible by the number of its divisors (20).

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68758952 + ... + 68759111.

Almost surely, 2^11001445040 is an apocalyptic number.

11001445040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001445040 is an abundant number, since it is smaller than the sum of its proper divisors (14576914864).

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

11001445040 is a wasteful number, since it uses less digits than its factorization.

11001445040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137518076 (or 137518070 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 11001445040 its reverse (4054410011), we get a palindrome (15055855051).

The spelling of 11001445040 in words is "eleven billion, one million, four hundred forty-five thousand, forty".