11081087872 has 32 divisors (see below), whose sum is σ = 22084050600. Its totient is φ = 5538424320.

The previous prime is 11081087851. The next prime is 11081087879. The reversal of 11081087872 is 27878018011.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081087879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351079 + ... + 381337.

Almost surely, 2^11081087872 is an apocalyptic number.

It is an amenable number.

11081087872 is a deficient number, since it is larger than the sum of its proper divisors (11002962728).

11081087872 is an equidigital number, since it uses as much as digits as its factorization.

11081087872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33134 (or 33122 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 43.

The spelling of 11081087872 in words is "eleven billion, eighty-one million, eighty-seven thousand, eight hundred seventy-two".