12953779254018 has 48 divisors (see below), whose sum is σ = 29709549904320. Its totient is φ = 4072078154592.

The previous prime is 12953779254007. The next prime is 12953779254023. The reversal of 12953779254018 is 81045297735921.

It is a happy number.

12953779254018 is a `hidden beast` number, since 1 + 2 + 9 + 5 + 3 + 7 + 79 + 2 + 540 + 18 = 666.

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 23 ways as a sum of consecutive naturals, for example, 288531846 + ... + 288576737.

It is an arithmetic number, because the mean of its divisors is an integer number (618948956340).

Almost surely, 2^{12953779254018} is an apocalyptic number.

12953779254018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12953779254018 is an abundant number, since it is smaller than the sum of its proper divisors (16755770650302).

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

12953779254018 is a wasteful number, since it uses less digits than its factorization.

12953779254018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577108663 (or 577108660 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 63.

The spelling of 12953779254018 in words is "twelve trillion, nine hundred fifty-three billion, seven hundred seventy-nine million, two hundred fifty-four thousand, eighteen".