1163511340 has 24 divisors (see below), whose sum is σ = 2450769552. Its totient is φ = 463995840.

The previous prime is 1163511319. The next prime is 1163511413. The reversal of 1163511340 is 431153611.

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, 81259 + ... + 94498.

It is an arithmetic number, because the mean of its divisors is an integer number (102115398).

Almost surely, 2^1163511340 is an apocalyptic number.

1163511340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163511340 is an abundant number, since it is smaller than the sum of its proper divisors (1287258212).

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

1163511340 is a wasteful number, since it uses less digits than its factorization.

1163511340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176097 (or 176095 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1163511340 is about 34110.2820275647. The cubic root of 1163511340 is about 1051.7766866374.

Adding to 1163511340 its reverse (431153611), we get a palindrome (1594664951).

The spelling of 1163511340 in words is "one billion, one hundred sixty-three million, five hundred eleven thousand, three hundred forty".