11143351225 has 12 divisors (see below), whose sum is σ = 14023992784. Its totient is φ = 8781624720.

The previous prime is 11143351217. The next prime is 11143351237. The reversal of 11143351225 is 52215334111.

It is not a de Polignac number, because 11143351225 - 2³ = 11143351217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11143351193 and 11143351202.

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, 3324699 + ... + 3328048.

Almost surely, 2^11143351225 is an apocalyptic number.

It is an amenable number.

11143351225 is a deficient number, since it is larger than the sum of its proper divisors (2880641559).

11143351225 is an equidigital number, since it uses as much as digits as its factorization.

11143351225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652824 (or 6652819 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

Adding to 11143351225 its reverse (52215334111), we get a palindrome (63358685336).

The spelling of 11143351225 in words is "eleven billion, one hundred forty-three million, three hundred fifty-one thousand, two hundred twenty-five".