11043523664225 has 48 divisors (see below), whose sum is σ = 14920670484720. Its totient is φ = 8059613184000.

The previous prime is 11043523664213. The next prime is 11043523664237. The reversal of 11043523664225 is 52246632534011.

It is an interprime number because it is at equal distance from previous prime (11043523664213) and next prime (11043523664237).

It can be written as a sum of positive squares in 24 ways, for example, as 3794672832064 + 7248850832161 = 1947992^2 + 2692369^2 .

It is not a de Polignac number, because 11043523664225 - 2⁴ = 11043523664209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21849161 + ... + 22348889.

It is an arithmetic number, because the mean of its divisors is an integer number (310847301765).

Almost surely, 2^{11043523664225} is an apocalyptic number.

It is an amenable number.

11043523664225 is a deficient number, since it is larger than the sum of its proper divisors (3877146820495).

11043523664225 is a wasteful number, since it uses less digits than its factorization.

11043523664225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500550 (or 500545 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 11043523664225 in words is "eleven trillion, forty-three billion, five hundred twenty-three million, six hundred sixty-four thousand, two hundred twenty-five".