1133355525 has 48 divisors (see below), whose sum is σ = 1951363200. Its totient is φ = 579720960.

The previous prime is 1133355511. The next prime is 1133355527. The reversal of 1133355525 is 5255533311.

It is a happy number.

It is not a de Polignac number, because 1133355525 - 2¹⁰ = 1133354501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133355527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 339816 + ... + 343134.

It is an arithmetic number, because the mean of its divisors is an integer number (40653400).

Almost surely, 2^1133355525 is an apocalyptic number.

1133355525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1133355525 is a deficient number, since it is larger than the sum of its proper divisors (818007675).

1133355525 is a wasteful number, since it uses less digits than its factorization.

1133355525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518 (or 3513 counting only the distinct ones).

The product of its digits is 33750, while the sum is 33.

The square root of 1133355525 is about 33665.3460549569. The cubic root of 1133355525 is about 1042.6104064472.

Adding to 1133355525 its reverse (5255533311), we get a palindrome (6388888836).

The spelling of 1133355525 in words is "one billion, one hundred thirty-three million, three hundred fifty-five thousand, five hundred twenty-five".