11406155 has 4 divisors (see below), whose sum is σ = 13687392. Its totient is φ = 9124920.

The previous prime is 11406149. The next prime is 11406169. The reversal of 11406155 is 55160411.

11406155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11406155 - 2⁴ = 11406139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11406155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140611 + ... + 1140620.

It is an arithmetic number, because the mean of its divisors is an integer number (3421848).

Almost surely, 2^11406155 is an apocalyptic number.

11406155 is a deficient number, since it is larger than the sum of its proper divisors (2281237).

11406155 is an equidigital number, since it uses as much as digits as its factorization.

11406155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281236.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 11406155 is about 3377.2999570663. The cubic root of 11406155 is about 225.1022087076.

Adding to 11406155 its reverse (55160411), we get a palindrome (66566566).

It can be divided in two parts, 1140615 and 5, that multiplied together give a palindrome (5703075).

The spelling of 11406155 in words is "eleven million, four hundred six thousand, one hundred fifty-five".