12354878046315 has 64 divisors (see below), whose sum is σ = 22665404676096. Its totient is φ = 5629541071872.

The previous prime is 12354878046299. The next prime is 12354878046391. The reversal of 12354878046315 is 51364087845321.

It is a happy number.

It is not a de Polignac number, because 12354878046315 - 2⁴ = 12354878046299 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 591896719 + ... + 591917591.

It is an arithmetic number, because the mean of its divisors is an integer number (354146948064).

Almost surely, 2^{12354878046315} is an apocalyptic number.

12354878046315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12354878046315 is a deficient number, since it is larger than the sum of its proper divisors (10310526629781).

12354878046315 is a wasteful number, since it uses less digits than its factorization.

12354878046315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38988.

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 12354878046315 in words is "twelve trillion, three hundred fifty-four billion, eight hundred seventy-eight million, forty-six thousand, three hundred fifteen".