11420255 has 16 divisors (see below), whose sum is σ = 17086464. Its totient is φ = 7118880.

The previous prime is 11420251. The next prime is 11420291. The reversal of 11420255 is 55202411.

It is not a de Polignac number, because 11420255 - 2² = 11420251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14447 + ... + 15216.

It is an arithmetic number, because the mean of its divisors is an integer number (1067904).

Almost surely, 2^11420255 is an apocalyptic number.

11420255 is a deficient number, since it is larger than the sum of its proper divisors (5666209).

11420255 is a wasteful number, since it uses less digits than its factorization.

11420255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29686.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 11420255 is about 3379.3867786923. The cubic root of 11420255 is about 225.1949257301.

Adding to 11420255 its reverse (55202411), we get a palindrome (66622666).

The spelling of 11420255 in words is "eleven million, four hundred twenty thousand, two hundred fifty-five".