11223528125 has 12 divisors (see below), whose sum is σ = 14028516180. Its totient is φ = 8978820000.

The previous prime is 11223528103. The next prime is 11223528167. The reversal of 11223528125 is 52182532211.

It can be written as a sum of positive squares in 6 ways, for example, as 9959441209 + 1264086916 = 99797^2 + 35554^2 .

It is not a de Polignac number, because 11223528125 - 2¹⁰ = 11223527101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11223528091 and 11223528100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1792640 + ... + 1798889.

It is an arithmetic number, because the mean of its divisors is an integer number (1169043015).

Almost surely, 2^11223528125 is an apocalyptic number.

It is an amenable number.

11223528125 is a deficient number, since it is larger than the sum of its proper divisors (2804988055).

11223528125 is an frugal number, since it uses more digits than its factorization.

11223528125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591554 (or 3591534 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The spelling of 11223528125 in words is "eleven billion, two hundred twenty-three million, five hundred twenty-eight thousand, one hundred twenty-five".