11023225155 has 48 divisors (see below), whose sum is σ = 20143487520. Its totient is φ = 5561063424.

The previous prime is 11023225133. The next prime is 11023225163. The reversal of 11023225155 is 55152232011.

11023225155 is a `hidden beast` number, since 110 + 2 + 32 + 2 + 515 + 5 = 666.

It is not a de Polignac number, because 11023225155 - 2⁵ = 11023225123 is a prime.

It is a super-2 number, since 2×11023225155² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 565837 + ... + 584993.

It is an arithmetic number, because the mean of its divisors is an integer number (419655990).

Almost surely, 2^11023225155 is an apocalyptic number.

11023225155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11023225155 is a deficient number, since it is larger than the sum of its proper divisors (9120262365).

11023225155 is a wasteful number, since it uses less digits than its factorization.

11023225155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19860 (or 19857 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 11023225155 its reverse (55152232011), we get a palindrome (66175457166).

The spelling of 11023225155 in words is "eleven billion, twenty-three million, two hundred twenty-five thousand, one hundred fifty-five".