1135231215 has 16 divisors (see below), whose sum is σ = 1825594848. Its totient is φ = 602381696.

The previous prime is 1135231199. The next prime is 1135231231. The reversal of 1135231215 is 5121325311.

It is an interprime number because it is at equal distance from previous prime (1135231199) and next prime (1135231231).

It is a cyclic number.

It is not a de Polignac number, because 1135231215 - 2⁴ = 1135231199 is a prime.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189132 + ... + 195041.

It is an arithmetic number, because the mean of its divisors is an integer number (114099678).

Almost surely, 2^1135231215 is an apocalyptic number.

1135231215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1135231215 is a deficient number, since it is larger than the sum of its proper divisors (690363633).

1135231215 is a wasteful number, since it uses less digits than its factorization.

1135231215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384378.

The product of its digits is 900, while the sum is 24.

The square root of 1135231215 is about 33693.1924133051. The cubic root of 1135231215 is about 1043.1852587396.

Adding to 1135231215 its reverse (5121325311), we get a palindrome (6256556526).

The spelling of 1135231215 in words is "one billion, one hundred thirty-five million, two hundred thirty-one thousand, two hundred fifteen".