1153427216 has 20 divisors (see below), whose sum is σ = 2235558924. Its totient is φ = 576508800.

The previous prime is 1153427213. The next prime is 1153427221. The reversal of 1153427216 is 6127243511.

It can be written as a sum of positive squares in 2 ways, for example, as 796368400 + 357058816 = 28220^2 + 18896^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1153427213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40346 + ... + 62726.

Almost surely, 2^1153427216 is an apocalyptic number.

1153427216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1153427216 is a deficient number, since it is larger than the sum of its proper divisors (1082131708).

1153427216 is a wasteful number, since it uses less digits than its factorization.

1153427216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25610 (or 25604 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 1153427216 is about 33962.1438663698. The cubic root of 1153427216 is about 1048.7292915334.

The spelling of 1153427216 in words is "one billion, one hundred fifty-three million, four hundred twenty-seven thousand, two hundred sixteen".