11755121 has 16 divisors (see below), whose sum is σ = 14092800. Its totient is φ = 9592128.

The previous prime is 11755097. The next prime is 11755141. The reversal of 11755121 is 12155711.

It is not a de Polignac number, because 11755121 - 2¹⁰ = 11754097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11755141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15671 + ... + 16403.

It is an arithmetic number, because the mean of its divisors is an integer number (880800).

Almost surely, 2^11755121 is an apocalyptic number.

It is an amenable number.

11755121 is a deficient number, since it is larger than the sum of its proper divisors (2337679).

11755121 is an equidigital number, since it uses as much as digits as its factorization.

11755121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its digits is 350, while the sum is 23.

The square root of 11755121 is about 3428.5741934513. The cubic root of 11755121 is about 227.3748198342.

The spelling of 11755121 in words is "eleven million, seven hundred fifty-five thousand, one hundred twenty-one".