115551241305 has 8 divisors (see below), whose sum is σ = 184881986112. Its totient is φ = 61627328688.

The previous prime is 115551241291. The next prime is 115551241321. The reversal of 115551241305 is 503142155511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115551241305 - 2¹⁸ = 115550979161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3851708029 + ... + 3851708058.

It is an arithmetic number, because the mean of its divisors is an integer number (23110248264).

Almost surely, 2^115551241305 is an apocalyptic number.

115551241305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115551241305 is a deficient number, since it is larger than the sum of its proper divisors (69330744807).

115551241305 is an equidigital number, since it uses as much as digits as its factorization.

115551241305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7703416095.

The product of its (nonzero) digits is 15000, while the sum is 33.

Adding to 115551241305 its reverse (503142155511), we get a palindrome (618693396816).

The spelling of 115551241305 in words is "one hundred fifteen billion, five hundred fifty-one million, two hundred forty-one thousand, three hundred five".