1153441305 has 24 divisors (see below), whose sum is σ = 2015050752. Its totient is φ = 610321824.

The previous prime is 1153441291. The next prime is 1153441351. The reversal of 1153441305 is 5031443511.

It is a happy number.

1153441305 is a `hidden beast` number, since 1 + 15 + 344 + 1 + 305 = 666.

It is not a de Polignac number, because 1153441305 - 2¹¹ = 1153439257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95199 + ... + 106628.

It is an arithmetic number, because the mean of its divisors is an integer number (83960448).

Almost surely, 2^1153441305 is an apocalyptic number.

1153441305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153441305 is a deficient number, since it is larger than the sum of its proper divisors (861609447).

1153441305 is a wasteful number, since it uses less digits than its factorization.

1153441305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201965 (or 201962 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1153441305 is about 33962.3512878599. The cubic root of 1153441305 is about 1048.7335615578.

Adding to 1153441305 its reverse (5031443511), we get a palindrome (6184884816).

The spelling of 1153441305 in words is "one billion, one hundred fifty-three million, four hundred forty-one thousand, three hundred five".