1131266325 has 24 divisors (see below), whose sum is σ = 2137555648. Its totient is φ = 517150080.

The previous prime is 1131266321. The next prime is 1131266341. The reversal of 1131266325 is 5236621311.

It is not a de Polignac number, because 1131266325 - 2² = 1131266321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1131266292 and 1131266301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131266321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1076872 + ... + 1077921.

Almost surely, 2^1131266325 is an apocalyptic number.

1131266325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1131266325 is a deficient number, since it is larger than the sum of its proper divisors (1006289323).

1131266325 is a wasteful number, since it uses less digits than its factorization.

1131266325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154813 (or 2154808 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 1131266325 is about 33634.3028023475. The cubic root of 1131266325 is about 1041.9693715109.

Adding to 1131266325 its reverse (5236621311), we get a palindrome (6367887636).

The spelling of 1131266325 in words is "one billion, one hundred thirty-one million, two hundred sixty-six thousand, three hundred twenty-five".