1131130525 has 12 divisors (see below), whose sum is σ = 1602973792. Its totient is φ = 775632240.

The previous prime is 1131130519. The next prime is 1131130531. The reversal of 1131130525 is 5250311311.

It is an interprime number because it is at equal distance from previous prime (1131130519) and next prime (1131130531).

It is not a de Polignac number, because 1131130525 - 2⁵ = 1131130493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131130496 and 1131130505.

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, 3231627 + ... + 3231976.

Almost surely, 2^1131130525 is an apocalyptic number.

It is an amenable number.

1131130525 is a deficient number, since it is larger than the sum of its proper divisors (471843267).

1131130525 is an equidigital number, since it uses as much as digits as its factorization.

1131130525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463620 (or 6463615 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1131130525 is about 33632.2839694244. The cubic root of 1131130525 is about 1041.9276763180.

Adding to 1131130525 its reverse (5250311311), we get a palindrome (6381441836).

The spelling of 1131130525 in words is "one billion, one hundred thirty-one million, one hundred thirty thousand, five hundred twenty-five".