11455 has 8 divisors (see below), whose sum is σ = 14400. Its totient is φ = 8736.

The previous prime is 11447. The next prime is 11467. The reversal of 11455 is 55411.

It is a happy number.

11455 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

11455 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

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 11455 - 2³ = 11447 is a prime.

11455 is an undulating number in base 12.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106 + ... + 184.

It is an arithmetic number, because the mean of its divisors is an integer number (1800).

2¹¹⁴⁵⁵ is an apocalyptic number.

11455 is a deficient number, since it is larger than the sum of its proper divisors (2945).

11455 is an equidigital number, since it uses as much as digits as its factorization.

11455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113.

The product of its digits is 100, while the sum is 16.

The square root of 11455 is about 107.0280337108. The cubic root of 11455 is about 22.5423072302.

Adding to 11455 its reverse (55411), we get a palindrome (66866).

Subtracting 11455 from its reverse (55411), we obtain a triangular number (43956 = T₂₉₆).

It can be divided in two parts, 114 and 55, that added together give a square (169 = 13²).

The spelling of 11455 in words is "eleven thousand, four hundred fifty-five".