11256105 has 16 divisors (see below), whose sum is σ = 20582784. Its totient is φ = 5145600.

The previous prime is 11256083. The next prime is 11256121. The reversal of 11256105 is 50165211.

11256105 = T₅₆₆ + T₅₆₇ + ... + T₆₂₈.

It is not a de Polignac number, because 11256105 - 2⁵ = 11256073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53496 + ... + 53705.

It is an arithmetic number, because the mean of its divisors is an integer number (1286424).

Almost surely, 2^11256105 is an apocalyptic number.

11256105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11256105 is a deficient number, since it is larger than the sum of its proper divisors (9326679).

11256105 is a wasteful number, since it uses less digits than its factorization.

11256105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107216.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 11256105 is about 3355.0119224825. The cubic root of 11256105 is about 224.1107618146.

The spelling of 11256105 in words is "eleven million, two hundred fifty-six thousand, one hundred five".