1151323325 has 6 divisors (see below), whose sum is σ = 1427640954. Its totient is φ = 921058640.

The previous prime is 1151323321. The next prime is 1151323331. The reversal of 1151323325 is 5233231511.

1151323325 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 216737284 + 934586041 = 14722^2 + 30571^2 .

It is not a de Polignac number, because 1151323325 - 2² = 1151323321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1151323294 and 1151323303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151323321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23026442 + ... + 23026491.

It is an arithmetic number, because the mean of its divisors is an integer number (237940159).

Almost surely, 2^1151323325 is an apocalyptic number.

It is an amenable number.

1151323325 is a deficient number, since it is larger than the sum of its proper divisors (276317629).

1151323325 is an equidigital number, since it uses as much as digits as its factorization.

1151323325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46052943 (or 46052938 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 1151323325 is about 33931.1556685003. The cubic root of 1151323325 is about 1048.0912639890.

Adding to 1151323325 its reverse (5233231511), we get a palindrome (6384554836).

The spelling of 1151323325 in words is "one billion, one hundred fifty-one million, three hundred twenty-three thousand, three hundred twenty-five".