1153355871 has 16 divisors (see below), whose sum is σ = 1667983968. Its totient is φ = 706022400.

The previous prime is 1153355867. The next prime is 1153355873. The reversal of 1153355871 is 1785533511.

It is not a de Polignac number, because 1153355871 - 2² = 1153355867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153355873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273700 + ... + 277881.

It is an arithmetic number, because the mean of its divisors is an integer number (104248998).

Almost surely, 2^1153355871 is an apocalyptic number.

1153355871 is a deficient number, since it is larger than the sum of its proper divisors (514628097).

1153355871 is a wasteful number, since it uses less digits than its factorization.

1153355871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551642.

The product of its digits is 63000, while the sum is 39.

The square root of 1153355871 is about 33961.0934894623. The cubic root of 1153355871 is about 1048.7076681103.

The spelling of 1153355871 in words is "one billion, one hundred fifty-three million, three hundred fifty-five thousand, eight hundred seventy-one".