115646115505 has 16 divisors (see below), whose sum is σ = 143269286400. Its totient is φ = 89521649280.

The previous prime is 115646115467. The next prime is 115646115547. The reversal of 115646115505 is 505511646511.

It is a happy number.

It is not a de Polignac number, because 115646115505 - 2⁹ = 115646114993 is a prime.

It is a super-3 number, since 3×115646115505³ (a number of 34 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, 1386886 + ... + 1467904.

It is an arithmetic number, because the mean of its divisors is an integer number (8954330400).

Almost surely, 2^115646115505 is an apocalyptic number.

It is an amenable number.

115646115505 is a deficient number, since it is larger than the sum of its proper divisors (27623170895).

115646115505 is an equidigital number, since it uses as much as digits as its factorization.

115646115505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90264.

The product of its (nonzero) digits is 90000, while the sum is 40.

The spelling of 115646115505 in words is "one hundred fifteen billion, six hundred forty-six million, one hundred fifteen thousand, five hundred five".