1163525005 has 4 divisors (see below), whose sum is σ = 1396230012. Its totient is φ = 930820000.

The previous prime is 1163524993. The next prime is 1163525039. The reversal of 1163525005 is 5005253611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5005253611 = 17 ⋅294426683.

It can be written as a sum of positive squares in 2 ways, for example, as 408484521 + 755040484 = 20211^2 + 27478^2 .

It is not a de Polignac number, because 1163525005 - 2⁹ = 1163524493 is a prime.

It is a Duffinian number.

It is a congruent 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, 116352496 + ... + 116352505.

It is an arithmetic number, because the mean of its divisors is an integer number (349057503).

Almost surely, 2^1163525005 is an apocalyptic number.

It is an amenable number.

1163525005 is a deficient number, since it is larger than the sum of its proper divisors (232705007).

1163525005 is an equidigital number, since it uses as much as digits as its factorization.

1163525005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232705006.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1163525005 is about 34110.4823331480. The cubic root of 1163525005 is about 1051.7808041942.

Adding to 1163525005 its reverse (5005253611), we get a palindrome (6168778616).

The spelling of 1163525005 in words is "one billion, one hundred sixty-three million, five hundred twenty-five thousand, five".