1161513384 has 32 divisors (see below), whose sum is σ = 2904630720. Its totient is φ = 387058176.

The previous prime is 1161513359. The next prime is 1161513401. The reversal of 1161513384 is 4833151611.

It is a super-2 number, since 2×1161513384² = 2698226682422262912, which contains 22 as substring.

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, 136437 + ... + 144699.

It is an arithmetic number, because the mean of its divisors is an integer number (90769710).

Almost surely, 2^1161513384 is an apocalyptic number.

It is an amenable number.

1161513384 is an abundant number, since it is smaller than the sum of its proper divisors (1743117336).

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

1161513384 is a wasteful number, since it uses less digits than its factorization.

1161513384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14129 (or 14125 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 1161513384 is about 34080.9827323098. The cubic root of 1161513384 is about 1051.1743124716.

Adding to 1161513384 its reverse (4833151611), we get a palindrome (5994664995).

The spelling of 1161513384 in words is "one billion, one hundred sixty-one million, five hundred thirteen thousand, three hundred eighty-four".