115500555421245 has 32 divisors (see below), whose sum is σ = 209208553228800. Its totient is φ = 60438026480832.

The previous prime is 115500555421001. The next prime is 115500555421267. The reversal of 115500555421245 is 542124555005511.

It is a happy number.

115500555421245 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 0 + 0 + 55 + 542 + 12 + 45 = 666.

It is not a de Polignac number, because 115500555421245 - 2¹⁰ = 115500555420221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 115500555421245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8071310485 + ... + 8071324794.

It is an arithmetic number, because the mean of its divisors is an integer number (6537767288400).

Almost surely, 2^{115500555421245} is an apocalyptic number.

115500555421245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115500555421245 is a deficient number, since it is larger than the sum of its proper divisors (93707997807555).

115500555421245 is a wasteful number, since it uses less digits than its factorization.

115500555421245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16142635346 (or 16142635340 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 45.

The spelling of 115500555421245 in words is "one hundred fifteen trillion, five hundred billion, five hundred fifty-five million, four hundred twenty-one thousand, two hundred forty-five".