115203055120 has 20 divisors (see below), whose sum is σ = 267847103340. Its totient is φ = 46081222016.

The previous prime is 115203055087. The next prime is 115203055153. The reversal of 115203055120 is 21550302511.

It is an interprime number because it is at equal distance from previous prime (115203055087) and next prime (115203055153).

It can be written as a sum of positive squares in 2 ways, for example, as 30594207744 + 84608847376 = 174912^2 + 290876^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720019015 + ... + 720019174.

It is an arithmetic number, because the mean of its divisors is an integer number (13392355167).

Almost surely, 2^115203055120 is an apocalyptic number.

115203055120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115203055120 is an abundant number, since it is smaller than the sum of its proper divisors (152644048220).

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

115203055120 is a wasteful number, since it uses less digits than its factorization.

115203055120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440038202 (or 1440038196 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 115203055120 its reverse (21550302511), we get a palindrome (136753357631).

The spelling of 115203055120 in words is "one hundred fifteen billion, two hundred three million, fifty-five thousand, one hundred twenty".