11318905 has 8 divisors (see below), whose sum is σ = 14627592. Its totient is φ = 8358528.

The previous prime is 11318897. The next prime is 11318939. The reversal of 11318905 is 50981311.

11318905 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 56169 + 11262736 = 237^2 + 3356^2 .

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 11318905 - 2³ = 11318897 is a prime.

It is a super-2 number, since 2×11318905² = 256235220798050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87004 + ... + 87133.

It is an arithmetic number, because the mean of its divisors is an integer number (1828449).

Almost surely, 2^11318905 is an apocalyptic number.

It is an amenable number.

11318905 is a deficient number, since it is larger than the sum of its proper divisors (3308687).

11318905 is a wasteful number, since it uses less digits than its factorization.

11318905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174155.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 11318905 is about 3364.3580368326. The cubic root of 11318905 is about 224.5267749475.

The spelling of 11318905 in words is "eleven million, three hundred eighteen thousand, nine hundred five".