1152215215 has 16 divisors (see below), whose sum is σ = 1394477568. Its totient is φ = 913921056.

The previous prime is 1152215203. The next prime is 1152215219. The reversal of 1152215215 is 5125122511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1152215215 - 2⁹ = 1152214703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152215215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152215219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395454 + ... + 398356.

It is an arithmetic number, because the mean of its divisors is an integer number (87154848).

Almost surely, 2^1152215215 is an apocalyptic number.

1152215215 is a deficient number, since it is larger than the sum of its proper divisors (242262353).

1152215215 is a wasteful number, since it uses less digits than its factorization.

1152215215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558.

The product of its digits is 1000, while the sum is 25.

The square root of 1152215215 is about 33944.2957652681. The cubic root of 1152215215 is about 1048.3618340423.

Adding to 1152215215 its reverse (5125122511), we get a palindrome (6277337726).

The spelling of 1152215215 in words is "one billion, one hundred fifty-two million, two hundred fifteen thousand, two hundred fifteen".