1163525255 has 4 divisors (see below), whose sum is σ = 1396230312. Its totient is φ = 930820200.

The previous prime is 1163525243. The next prime is 1163525257. The reversal of 1163525255 is 5525253611.

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

It is not a de Polignac number, because 1163525255 - 2⁶ = 1163525191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163525257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116352521 + ... + 116352530.

It is an arithmetic number, because the mean of its divisors is an integer number (349057578).

Almost surely, 2^1163525255 is an apocalyptic number.

1163525255 is a deficient number, since it is larger than the sum of its proper divisors (232705057).

1163525255 is an equidigital number, since it uses as much as digits as its factorization.

1163525255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232705056.

The product of its digits is 45000, while the sum is 35.

The square root of 1163525255 is about 34110.4859977104. The cubic root of 1163525255 is about 1051.7808795243.

Adding to 1163525255 its reverse (5525253611), we get a palindrome (6688778866).

The spelling of 1163525255 in words is "one billion, one hundred sixty-three million, five hundred twenty-five thousand, two hundred fifty-five".