11278079 has 4 divisors (see below), whose sum is σ = 11641920. Its totient is φ = 10914240.

The previous prime is 11278067. The next prime is 11278097. The reversal of 11278079 is 97087211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11278079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11278009) 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, 181874 + ... + 181935.

It is an arithmetic number, because the mean of its divisors is an integer number (2910480).

Almost surely, 2^11278079 is an apocalyptic number.

11278079 is a deficient number, since it is larger than the sum of its proper divisors (363841).

11278079 is an equidigital number, since it uses as much as digits as its factorization.

11278079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363840.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 11278079 is about 3358.2851278592. The cubic root of 11278079 is about 224.2565022451.

The spelling of 11278079 in words is "eleven million, two hundred seventy-eight thousand, seventy-nine".