11220455215 has 8 divisors (see below), whose sum is σ = 13472872560. Its totient is φ = 8970813312.

The previous prime is 11220455201. The next prime is 11220455231. The reversal of 11220455215 is 51255402211.

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 11220455215 - 2⁷ = 11220455087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684954 + ... + 701143.

It is an arithmetic number, because the mean of its divisors is an integer number (1684109070).

Almost surely, 2^11220455215 is an apocalyptic number.

11220455215 is a deficient number, since it is larger than the sum of its proper divisors (2252417345).

11220455215 is a wasteful number, since it uses less digits than its factorization.

11220455215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387721.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 11220455215 its reverse (51255402211), we get a palindrome (62475857426).

The spelling of 11220455215 in words is "eleven billion, two hundred twenty million, four hundred fifty-five thousand, two hundred fifteen".