11080540721 has 8 divisors (see below), whose sum is σ = 11787944544. Its totient is φ = 10379315520.

The previous prime is 11080540657. The next prime is 11080540759. The reversal of 11080540721 is 12704508011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11080540721 - 2⁶ = 11080540657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11080540781) 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, 1540955 + ... + 1548128.

It is an arithmetic number, because the mean of its divisors is an integer number (1473493068).

Almost surely, 2^11080540721 is an apocalyptic number.

It is an amenable number.

11080540721 is a deficient number, since it is larger than the sum of its proper divisors (707403823).

11080540721 is a wasteful number, since it uses less digits than its factorization.

11080540721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089311.

The product of its (nonzero) digits is 2240, while the sum is 29.

The spelling of 11080540721 in words is "eleven billion, eighty million, five hundred forty thousand, seven hundred twenty-one".