1111380081 has 8 divisors (see below), whose sum is σ = 1693531584. Its totient is φ = 635074320.

The previous prime is 1111380077. The next prime is 1111380089. The reversal of 1111380081 is 1800831111.

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

It is not a de Polignac number, because 1111380081 - 2² = 1111380077 is a prime.

It is a super-3 number, since 3×1111380081³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1111380089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26461410 + ... + 26461451.

It is an arithmetic number, because the mean of its divisors is an integer number (211691448).

Almost surely, 2^1111380081 is an apocalyptic number.

It is an amenable number.

1111380081 is a deficient number, since it is larger than the sum of its proper divisors (582151503).

1111380081 is an equidigital number, since it uses as much as digits as its factorization.

1111380081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52922871.

The product of its (nonzero) digits is 192, while the sum is 24.

The square root of 1111380081 is about 33337.3676375325. The cubic root of 1111380081 is about 1035.8277371066.

The spelling of 1111380081 in words is "one billion, one hundred eleven million, three hundred eighty thousand, eighty-one".