11240455 has 8 divisors (see below), whose sum is σ = 13592304. Its totient is φ = 8923720.

The previous prime is 11240423. The next prime is 11240483. The reversal of 11240455 is 55404211.

It is not a de Polignac number, because 11240455 - 2⁵ = 11240423 is a prime.

It is a Duffinian number.

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, 85740 + ... + 85870.

It is an arithmetic number, because the mean of its divisors is an integer number (1699038).

Almost surely, 2^11240455 is an apocalyptic number.

11240455 is a deficient number, since it is larger than the sum of its proper divisors (2351849).

11240455 is an frugal number, since it uses more digits than its factorization.

11240455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 11240455 is about 3352.6787797223. The cubic root of 11240455 is about 224.0068490146.

Adding to 11240455 its reverse (55404211), we get a palindrome (66644666).

The spelling of 11240455 in words is "eleven million, two hundred forty thousand, four hundred fifty-five".