1155600156 has 24 divisors (see below), whose sum is σ = 2696965264. Its totient is φ = 385119360.

The previous prime is 1155600151. The next prime is 1155600161. The reversal of 1155600156 is 6510065511.

It is an interprime number because it is at equal distance from previous prime (1155600151) and next prime (1155600161).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155600151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86826 + ... + 99246.

Almost surely, 2^1155600156 is an apocalyptic number.

It is an amenable number.

1155600156 is an abundant number, since it is smaller than the sum of its proper divisors (1541365108).

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

1155600156 is a wasteful number, since it uses less digits than its factorization.

1155600156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20181 (or 20179 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1155600156 is about 33994.1194326313. The cubic root of 1155600156 is about 1049.3874449812.

Adding to 1155600156 its reverse (6510065511), we get a palindrome (7665665667).

The spelling of 1155600156 in words is "one billion, one hundred fifty-five million, six hundred thousand, one hundred fifty-six".