1153215522 has 16 divisors (see below), whose sum is σ = 2562701280. Its totient is φ = 384405156.

The previous prime is 1153215521. The next prime is 1153215527. The reversal of 1153215522 is 2255123511.

1153215522 is a `hidden beast` number, since 115 + 3 + 21 + 5 + 522 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1153215521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10677868 + ... + 10677975.

It is an arithmetic number, because the mean of its divisors is an integer number (160168830).

Almost surely, 2^1153215522 is an apocalyptic number.

1153215522 is an abundant number, since it is smaller than the sum of its proper divisors (1409485758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153215522 is a wasteful number, since it uses less digits than its factorization.

1153215522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21355854 (or 21355848 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 1153215522 is about 33959.0271062055. The cubic root of 1153215522 is about 1048.6651281777.

The spelling of 1153215522 in words is "one billion, one hundred fifty-three million, two hundred fifteen thousand, five hundred twenty-two".