4119512820864 has 128 divisors (see below), whose sum is σ = 13163856921600. Its totient is φ = 1115056088064.

The previous prime is 4119512820767. The next prime is 4119512820919. The reversal of 4119512820864 is 4680282159114.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 40279372 + ... + 40381515.

It is an arithmetic number, because the mean of its divisors is an integer number (102842632200).

Almost surely, 2^{4119512820864} is an apocalyptic number.

It is an amenable number.

4119512820864 is an abundant number, since it is smaller than the sum of its proper divisors (9044344100736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4119512820864 is a wasteful number, since it uses less digits than its factorization.

4119512820864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80660930 (or 80660918 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 51.

Adding to 4119512820864 its reverse (4680282159114), we get a palindrome (8799794979978).

The spelling of 4119512820864 in words is "four trillion, one hundred nineteen billion, five hundred twelve million, eight hundred twenty thousand, eight hundred sixty-four".