115505220115520 has 112 divisors (see below), whose sum is σ = 275294633527488. Its totient is φ = 46160473466880.

The previous prime is 115505220115501. The next prime is 115505220115559. The reversal of 115505220115520 is 25511022505511.

It is a super-3 number, since 3×115505220115520³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2137493942 + ... + 2137547978.

Almost surely, 2^{115505220115520} is an apocalyptic number.

115505220115520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115505220115520 is an abundant number, since it is smaller than the sum of its proper divisors (159789413411968).

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

115505220115520 is a wasteful number, since it uses less digits than its factorization.

115505220115520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59948 (or 59938 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 35.

The spelling of 115505220115520 in words is "one hundred fifteen trillion, five hundred five billion, two hundred twenty million, one hundred fifteen thousand, five hundred twenty".