1133555325 has 96 divisors (see below), whose sum is σ = 2290996224. Its totient is φ = 482749440.

The previous prime is 1133555287. The next prime is 1133555329. The reversal of 1133555325 is 5235553311.

It is a happy number.

1133555325 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1133555325 - 2⁶ = 1133555261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133555329) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 954382 + ... + 955568.

It is an arithmetic number, because the mean of its divisors is an integer number (23864544).

Almost surely, 2^1133555325 is an apocalyptic number.

1133555325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1133555325 is an abundant number, since it is smaller than the sum of its proper divisors (1157440899).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1133555325 is a wasteful number, since it uses less digits than its factorization.

1133555325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 1326 counting only the distinct ones).

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

The square root of 1133555325 is about 33668.3133673191. The cubic root of 1133555325 is about 1042.6716703415.

The spelling of 1133555325 in words is "one billion, one hundred thirty-three million, five hundred fifty-five thousand, three hundred twenty-five".