1153115135 has 4 divisors (see below), whose sum is σ = 1383738168. Its totient is φ = 922492104.

The previous prime is 1153115123. The next prime is 1153115141. The reversal of 1153115135 is 5315113511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1153115135 - 2¹² = 1153111039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115311509 + ... + 115311518.

It is an arithmetic number, because the mean of its divisors is an integer number (345934542).

Almost surely, 2^1153115135 is an apocalyptic number.

1153115135 is a deficient number, since it is larger than the sum of its proper divisors (230623033).

1153115135 is an equidigital number, since it uses as much as digits as its factorization.

1153115135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230623032.

The product of its digits is 1125, while the sum is 26.

The square root of 1153115135 is about 33957.5490134374. The cubic root of 1153115135 is about 1048.6346986529.

Adding to 1153115135 its reverse (5315113511), we get a palindrome (6468228646).

The spelling of 1153115135 in words is "one billion, one hundred fifty-three million, one hundred fifteen thousand, one hundred thirty-five".