11455253402225 has 18 divisors (see below), whose sum is σ = 15089224456434. Its totient is φ = 8625131968000.

The previous prime is 11455253402213. The next prime is 11455253402267. The reversal of 11455253402225 is 52220435255411.

It can be written as a sum of positive squares in 9 ways, for example, as 544704517681 + 10910548884544 = 738041^2 + 3303112^2 .

It is not a de Polignac number, because 11455253402225 - 2⁶ = 11455253402161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 792743876 + ... + 792758325.

Almost surely, 2^{11455253402225} is an apocalyptic number.

It is an amenable number.

11455253402225 is a deficient number, since it is larger than the sum of its proper divisors (3633971054209).

11455253402225 is a wasteful number, since it uses less digits than its factorization.

11455253402225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585502245 (or 1585502223 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 11455253402225 its reverse (52220435255411), we get a palindrome (63675688657636).

The spelling of 11455253402225 in words is "eleven trillion, four hundred fifty-five billion, two hundred fifty-three million, four hundred two thousand, two hundred twenty-five".