11506422206225 has 24 divisors (see below), whose sum is σ = 14772567947520. Its totient is φ = 8880128712000.

The previous prime is 11506422206197. The next prime is 11506422206267. The reversal of 11506422206225 is 52260222460511.

It is not a de Polignac number, because 11506422206225 - 2⁶ = 11506422206161 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5927681 + ... + 7625630.

It is an arithmetic number, because the mean of its divisors is an integer number (615523664480).

Almost surely, 2^{11506422206225} is an apocalyptic number.

It is an amenable number.

11506422206225 is a deficient number, since it is larger than the sum of its proper divisors (3266145741295).

11506422206225 is a wasteful number, since it uses less digits than its factorization.

11506422206225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13554521 (or 13554516 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 11506422206225 its reverse (52260222460511), we get a palindrome (63766644666736).

The spelling of 11506422206225 in words is "eleven trillion, five hundred six billion, four hundred twenty-two million, two hundred six thousand, two hundred twenty-five".