11041071440 has 40 divisors (see below), whose sum is σ = 29337705600. Its totient is φ = 3785510016.

The previous prime is 11041071403. The next prime is 11041071443. The reversal of 11041071440 is 4417014011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11041071443) 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, 9857540 + ... + 9858659.

It is an arithmetic number, because the mean of its divisors is an integer number (733442640).

Almost surely, 2^11041071440 is an apocalyptic number.

11041071440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11041071440 is an abundant number, since it is smaller than the sum of its proper divisors (18296634160).

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

11041071440 is a wasteful number, since it uses less digits than its factorization.

11041071440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19716219 (or 19716213 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 11041071440 its reverse (4417014011), we get a palindrome (15458085451).

The spelling of 11041071440 in words is "eleven billion, forty-one million, seventy-one thousand, four hundred forty".