1163505448 has 32 divisors (see below), whose sum is σ = 2495750400. Its totient is φ = 498140352.

The previous prime is 1163505401. The next prime is 1163505457. The reversal of 1163505448 is 8445053611.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48186 + ... + 68182.

It is an arithmetic number, because the mean of its divisors is an integer number (77992200).

Almost surely, 2^1163505448 is an apocalyptic number.

It is an amenable number.

1163505448 is an abundant number, since it is smaller than the sum of its proper divisors (1332244952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1163505448 is a wasteful number, since it uses less digits than its factorization.

1163505448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21049 (or 21045 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1163505448 is about 34110.1956605353. The cubic root of 1163505448 is about 1051.7749112418.

The spelling of 1163505448 in words is "one billion, one hundred sixty-three million, five hundred five thousand, four hundred forty-eight".