115200013320520 has 32 divisors (see below), whose sum is σ = 259249905372600. Its totient is φ = 46071138590208.

The previous prime is 115200013320461. The next prime is 115200013320559. The reversal of 115200013320520 is 25023310002511.

It can be written as a sum of positive squares in 4 ways, for example, as 66002723130436 + 49197290190084 = 8124206^2 + 7014078^2 .

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, 276875085 + ... + 277290844.

Almost surely, 2^{115200013320520} is an apocalyptic number.

115200013320520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115200013320520 is an abundant number, since it is smaller than the sum of its proper divisors (144049892052080).

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

115200013320520 is a wasteful number, since it uses less digits than its factorization.

115200013320520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554171137 (or 554171133 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 115200013320520 in words is "one hundred fifteen trillion, two hundred billion, thirteen million, three hundred twenty thousand, five hundred twenty".