11421255 has 8 divisors (see below), whose sum is σ = 18274032. Its totient is φ = 6091328.

The previous prime is 11421251. The next prime is 11421257. The reversal of 11421255 is 55212411.

11421255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11421255 - 2² = 11421251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380694 + ... + 380723.

It is an arithmetic number, because the mean of its divisors is an integer number (2284254).

Almost surely, 2^11421255 is an apocalyptic number.

11421255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11421255 is a deficient number, since it is larger than the sum of its proper divisors (6852777).

11421255 is an equidigital number, since it uses as much as digits as its factorization.

11421255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761425.

The product of its digits is 400, while the sum is 21.

The square root of 11421255 is about 3379.5347312907. The cubic root of 11421255 is about 225.2014985067.

Adding to 11421255 its reverse (55212411), we get a palindrome (66633666).

The spelling of 11421255 in words is "eleven million, four hundred twenty-one thousand, two hundred fifty-five".