1155253235 has 4 divisors (see below), whose sum is σ = 1386303888. Its totient is φ = 924202584.

The previous prime is 1155253201. The next prime is 1155253271. The reversal of 1155253235 is 5323525511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1155253235 - 2⁶ = 1155253171 is a prime.

It is a super-2 number, since 2×1155253235² = 2669220073955930450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115525319 + ... + 115525328.

It is an arithmetic number, because the mean of its divisors is an integer number (346575972).

Almost surely, 2^1155253235 is an apocalyptic number.

1155253235 is a deficient number, since it is larger than the sum of its proper divisors (231050653).

1155253235 is an equidigital number, since it uses as much as digits as its factorization.

1155253235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231050652.

The product of its digits is 22500, while the sum is 32.

The square root of 1155253235 is about 33989.0163876509. The cubic root of 1155253235 is about 1049.2824227909.

Adding to 1155253235 its reverse (5323525511), we get a palindrome (6478778746).

The spelling of 1155253235 in words is "one billion, one hundred fifty-five million, two hundred fifty-three thousand, two hundred thirty-five".