1153541305 has 8 divisors (see below), whose sum is σ = 1581999552. Its totient is φ = 790999728.

The previous prime is 1153541297. The next prime is 1153541309. The reversal of 1153541305 is 5031453511.

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 1153541305 - 2³ = 1153541297 is a prime.

It is a super-2 number, since 2×1153541305² = 2661315084682206050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1153541309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16479127 + ... + 16479196.

It is an arithmetic number, because the mean of its divisors is an integer number (197749944).

Almost surely, 2^1153541305 is an apocalyptic number.

It is an amenable number.

1153541305 is a deficient number, since it is larger than the sum of its proper divisors (428458247).

1153541305 is an equidigital number, since it uses as much as digits as its factorization.

1153541305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32958335.

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

The square root of 1153541305 is about 33963.8234743970. The cubic root of 1153541305 is about 1048.7638680632.

Adding to 1153541305 its reverse (5031453511), we get a palindrome (6184994816).

The spelling of 1153541305 in words is "one billion, one hundred fifty-three million, five hundred forty-one thousand, three hundred five".