1155500004 has 12 divisors (see below), whose sum is σ = 2696166704. Its totient is φ = 385166664.

The previous prime is 1155499997. The next prime is 1155500033. The reversal of 1155500004 is 4000055511.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48145822 + ... + 48145845.

Almost surely, 2^1155500004 is an apocalyptic number.

It is an amenable number.

1155500004 is an abundant number, since it is smaller than the sum of its proper divisors (1540666700).

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

1155500004 is a wasteful number, since it uses less digits than its factorization.

1155500004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96291674 (or 96291672 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1155500004 is about 33992.6463224033. The cubic root of 1155500004 is about 1049.3571284722.

Adding to 1155500004 its reverse (4000055511), we get a palindrome (5155555515).

The spelling of 1155500004 in words is "one billion, one hundred fifty-five million, five hundred thousand, four".