11543570225 has 48 divisors (see below), whose sum is σ = 15818737536. Its totient is φ = 8286720000.

The previous prime is 11543570209. The next prime is 11543570237. The reversal of 11543570225 is 52207534511.

It is not a de Polignac number, because 11543570225 - 2⁴ = 11543570209 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 7209425 + ... + 7211025.

It is an arithmetic number, because the mean of its divisors is an integer number (329557032).

Almost surely, 2^11543570225 is an apocalyptic number.

It is an amenable number.

11543570225 is a deficient number, since it is larger than the sum of its proper divisors (4275167311).

11543570225 is a wasteful number, since it uses less digits than its factorization.

11543570225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 11543570225 in words is "eleven billion, five hundred forty-three million, five hundred seventy thousand, two hundred twenty-five".