1153225531 has 8 divisors (see below), whose sum is σ = 1165883264. Its totient is φ = 1140583680.

The previous prime is 1153225529. The next prime is 1153225537. The reversal of 1153225531 is 1355223511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1153225531 - 2¹ = 1153225529 is a prime.

It is a super-2 number, since 2×1153225531² = 2659858250700463922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1153225531.

It is not an unprimeable number, because it can be changed into a prime (1153225537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196246 + ... + 202036.

It is an arithmetic number, because the mean of its divisors is an integer number (145735408).

Almost surely, 2^1153225531 is an apocalyptic number.

1153225531 is a deficient number, since it is larger than the sum of its proper divisors (12657733).

1153225531 is an equidigital number, since it uses as much as digits as its factorization.

1153225531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7941.

The product of its digits is 4500, while the sum is 28.

The square root of 1153225531 is about 33959.1744746541. The cubic root of 1153225531 is about 1048.6681620307.

The spelling of 1153225531 in words is "one billion, one hundred fifty-three million, two hundred twenty-five thousand, five hundred thirty-one".