1161560004 has 48 divisors (see below), whose sum is σ = 2989949760. Its totient is φ = 348029440.

The previous prime is 1161559957. The next prime is 1161560011. The reversal of 1161560004 is 4000651611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37689 + ... + 61184.

It is an arithmetic number, because the mean of its divisors is an integer number (62290620).

Almost surely, 2^1161560004 is an apocalyptic number.

It is an amenable number.

1161560004 is an abundant number, since it is smaller than the sum of its proper divisors (1828389756).

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

1161560004 is a wasteful number, since it uses less digits than its factorization.

1161560004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98980 (or 98978 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1161560004 is about 34081.6666845975. Note that the first 4 decimals coincide. The cubic root of 1161560004 is about 1051.1883760463.

It can be divided in two parts, 1161 and 560004, that added together give a palindrome (561165).

The spelling of 1161560004 in words is "one billion, one hundred sixty-one million, five hundred sixty thousand, four".