1151155135 has 16 divisors (see below), whose sum is σ = 1489251456. Its totient is φ = 849166848.

The previous prime is 1151155133. The next prime is 1151155151. The reversal of 1151155135 is 5315511511.

It is a cyclic number.

It is not a de Polignac number, because 1151155135 - 2¹ = 1151155133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151155133) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 54442 + ... + 72568.

It is an arithmetic number, because the mean of its divisors is an integer number (93078216).

Almost surely, 2^1151155135 is an apocalyptic number.

1151155135 is a deficient number, since it is larger than the sum of its proper divisors (338096321).

1151155135 is a wasteful number, since it uses less digits than its factorization.

1151155135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19122.

The product of its digits is 1875, while the sum is 28.

The square root of 1151155135 is about 33928.6771772788. The cubic root of 1151155135 is about 1048.0402250235.

Adding to 1151155135 its reverse (5315511511), we get a palindrome (6466666646).

The spelling of 1151155135 in words is "one billion, one hundred fifty-one million, one hundred fifty-five thousand, one hundred thirty-five".