11257005 has 32 divisors (see below), whose sum is σ = 19113984. Its totient is φ = 5645376.

The previous prime is 11256997. The next prime is 11257019. The reversal of 11257005 is 50075211.

It is not a de Polignac number, because 11257005 - 2³ = 11256997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22872 + ... + 23358.

It is an arithmetic number, because the mean of its divisors is an integer number (597312).

Almost surely, 2^11257005 is an apocalyptic number.

11257005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11257005 is a deficient number, since it is larger than the sum of its proper divisors (7856979).

11257005 is a wasteful number, since it uses less digits than its factorization.

11257005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 11257005 is about 3355.1460474918. The cubic root of 11257005 is about 224.1167347010.

The spelling of 11257005 in words is "eleven million, two hundred fifty-seven thousand, five".