1153545115 has 16 divisors (see below), whose sum is σ = 1505297952. Its totient is φ = 845074944.

The previous prime is 1153545103. The next prime is 1153545131. The reversal of 1153545115 is 5115453511.

It is a happy number.

1153545115 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153545115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180249 + ... + 186538.

It is an arithmetic number, because the mean of its divisors is an integer number (94081122).

Almost surely, 2^1153545115 is an apocalyptic number.

1153545115 is a deficient number, since it is larger than the sum of its proper divisors (351752837).

1153545115 is a wasteful number, since it uses less digits than its factorization.

1153545115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366846.

The product of its digits is 7500, while the sum is 31.

The square root of 1153545115 is about 33963.8795634421. The cubic root of 1153545115 is about 1048.7650227064.

Adding to 1153545115 its reverse (5115453511), we get a palindrome (6268998626).

The spelling of 1153545115 in words is "one billion, one hundred fifty-three million, five hundred forty-five thousand, one hundred fifteen".