12878416518795 has 32 divisors (see below), whose sum is σ = 22895152626240. Its totient is φ = 6868431832320.

The previous prime is 12878416518769. The next prime is 12878416518809. The reversal of 12878416518795 is 59781561487821.

12878416518795 is a `hidden beast` number, since 1 + 2 + 8 + 7 + 8 + 4 + 16 + 518 + 7 + 95 = 666.

It is not a de Polignac number, because 12878416518795 - 2¹⁵ = 12878416486027 is a prime.

It is a super-2 number, since 2×12878416518795² (a number of 27 digits) contains 22 as substring.

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, 19707237 + ... + 20350233.

It is an arithmetic number, because the mean of its divisors is an integer number (715473519570).

Almost surely, 2^{12878416518795} is an apocalyptic number.

12878416518795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12878416518795 is a deficient number, since it is larger than the sum of its proper divisors (10016736107445).

12878416518795 is a wasteful number, since it uses less digits than its factorization.

12878416518795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791372 (or 791366 counting only the distinct ones).

The product of its digits is 270950400, while the sum is 72.

The spelling of 12878416518795 in words is "twelve trillion, eight hundred seventy-eight billion, four hundred sixteen million, five hundred eighteen thousand, seven hundred ninety-five".