42663425121 has 12 divisors (see below), whose sum is σ = 64304293248. Its totient is φ = 27205662264.

The previous prime is 42663425011. The next prime is 42663425137. The reversal of 42663425121 is 12152436624.

42663425121 is a `hidden beast` number, since 4 + 2 + 6 + 634 + 2 + 5 + 12 + 1 = 666.

42663425121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42663425121 - 2¹⁷ = 42663294049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42663425191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103051545 + ... + 103051958.

It is an arithmetic number, because the mean of its divisors is an integer number (5358691104).

Almost surely, 2^42663425121 is an apocalyptic number.

It is an amenable number.

42663425121 is a deficient number, since it is larger than the sum of its proper divisors (21640868127).

42663425121 is a wasteful number, since it uses less digits than its factorization.

42663425121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206103532 (or 206103529 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 42663425121 in words is "forty-two billion, six hundred sixty-three million, four hundred twenty-five thousand, one hundred twenty-one".