1153571864 has 32 divisors (see below), whose sum is σ = 2186526720. Its totient is φ = 570532896.

The previous prime is 1153571849. The next prime is 1153571869. The reversal of 1153571864 is 4681753511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153571869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288809 + ... + 292775.

It is an arithmetic number, because the mean of its divisors is an integer number (68328960).

Almost surely, 2^1153571864 is an apocalyptic number.

It is an amenable number.

1153571864 is a deficient number, since it is larger than the sum of its proper divisors (1032954856).

1153571864 is a wasteful number, since it uses less digits than its factorization.

1153571864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359 (or 4355 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 1153571864 is about 33964.2733471511. The cubic root of 1153571864 is about 1048.7731290788.

The spelling of 1153571864 in words is "one billion, one hundred fifty-three million, five hundred seventy-one thousand, eight hundred sixty-four".