11478811 has 8 divisors (see below), whose sum is σ = 11844000. Its totient is φ = 11117760.

The previous prime is 11478799. The next prime is 11478827. The reversal of 11478811 is 11887411.

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 11478811 - 2⁷ = 11478683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11478881) 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, 5170 + ... + 7048.

It is an arithmetic number, because the mean of its divisors is an integer number (1480500).

Almost surely, 2^11478811 is an apocalyptic number.

11478811 is a deficient number, since it is larger than the sum of its proper divisors (365189).

11478811 is a wasteful number, since it uses less digits than its factorization.

11478811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069.

The product of its digits is 1792, while the sum is 31.

The square root of 11478811 is about 3388.0394035489. The cubic root of 11478811 is about 225.5791565149.

The spelling of 11478811 in words is "eleven million, four hundred seventy-eight thousand, eight hundred eleven".