11528278 has 8 divisors (see below), whose sum is σ = 18309672. Its totient is φ = 5425056.

The previous prime is 11528273. The next prime is 11528281. The reversal of 11528278 is 87282511.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 339067 = 11528278 / (1 + 1 + 5 + 2 + 8 + 2 + 7 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11528273) 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, 169500 + ... + 169567.

It is an arithmetic number, because the mean of its divisors is an integer number (2288709).

Almost surely, 2^11528278 is an apocalyptic number.

11528278 is a deficient number, since it is larger than the sum of its proper divisors (6781394).

11528278 is a wasteful number, since it uses less digits than its factorization.

11528278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339086.

The product of its digits is 8960, while the sum is 34.

The square root of 11528278 is about 3395.3317952742. The cubic root of 11528278 is about 225.9027304808.

The spelling of 11528278 in words is "eleven million, five hundred twenty-eight thousand, two hundred seventy-eight".