11025220405 has 8 divisors (see below), whose sum is σ = 13239852984. Its totient is φ = 8813784000.

The previous prime is 11025220391. The next prime is 11025220411. The reversal of 11025220405 is 50402252011.

It can be written as a sum of positive squares in 4 ways, for example, as 10404 + 11025210001 = 102^2 + 105001^2 .

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

It is not a de Polignac number, because 11025220405 - 2¹¹ = 11025218357 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, 791446 + ... + 805255.

It is an arithmetic number, because the mean of its divisors is an integer number (1654981623).

Almost surely, 2^11025220405 is an apocalyptic number.

It is an amenable number.

11025220405 is a deficient number, since it is larger than the sum of its proper divisors (2214632579).

11025220405 is a wasteful number, since it uses less digits than its factorization.

11025220405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598087.

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

Adding to 11025220405 its reverse (50402252011), we get a palindrome (61427472416).

The spelling of 11025220405 in words is "eleven billion, twenty-five million, two hundred twenty thousand, four hundred five".