11001440780011 has 16 divisors (see below), whose sum is σ = 12225184892928. Its totient is φ = 9816228878400.

The previous prime is 11001440779999. The next prime is 11001440780021. The reversal of 11001440780011 is 11008704410011.

It is a cyclic number.

It is not a de Polignac number, because 11001440780011 - 2⁷ = 11001440779883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001440780021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31409586 + ... + 31757911.

It is an arithmetic number, because the mean of its divisors is an integer number (764074055808).

Almost surely, 2^{11001440780011} is an apocalyptic number.

11001440780011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11001440780011 is a deficient number, since it is larger than the sum of its proper divisors (1223744112917).

11001440780011 is a wasteful number, since it uses less digits than its factorization.

11001440780011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63167802.

The product of its (nonzero) digits is 896, while the sum is 28.

The spelling of 11001440780011 in words is "eleven trillion, one billion, four hundred forty million, seven hundred eighty thousand, eleven".