11128047 has 48 divisors (see below), whose sum is σ = 18829152. Its totient is φ = 5806080.

The previous prime is 11128037. The next prime is 11128063. The reversal of 11128047 is 74082111.

It is not a de Polignac number, because 11128047 - 2⁴ = 11128031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11128027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152403 + ... + 152475.

It is an arithmetic number, because the mean of its divisors is an integer number (392274).

Almost surely, 2^11128047 is an apocalyptic number.

11128047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11128047 is a deficient number, since it is larger than the sum of its proper divisors (7701105).

11128047 is a wasteful number, since it uses less digits than its factorization.

11128047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 11128047 is about 3335.8727493716. The cubic root of 11128047 is about 223.2576335605.

The spelling of 11128047 in words is "eleven million, one hundred twenty-eight thousand, forty-seven".