201105225503 has 8 divisors (see below), whose sum is σ = 247514123808. Its totient is φ = 159116222304.

The previous prime is 201105225473. The next prime is 201105225539. The reversal of 201105225503 is 305522501102.

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

It is not a de Polignac number, because 201105225503 - 2⁶ = 201105225439 is a prime.

It is a super-2 number, since 2×201105225503² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201105225553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104973676 + ... + 1104973857.

It is an arithmetic number, because the mean of its divisors is an integer number (30939265476).

Almost surely, 2^201105225503 is an apocalyptic number.

201105225503 is a deficient number, since it is larger than the sum of its proper divisors (46408898305).

201105225503 is a wasteful number, since it uses less digits than its factorization.

201105225503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209947553.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 201105225503 its reverse (305522501102), we get a palindrome (506627726605).

The spelling of 201105225503 in words is "two hundred one billion, one hundred five million, two hundred twenty-five thousand, five hundred three".