420113133400501 has 16 divisors (see below), whose sum is σ = 449958899018160. Its totient is φ = 390847656591360.

The previous prime is 420113133400379. The next prime is 420113133400531. The reversal of 420113133400501 is 105004331311024.

It can be written as a sum of positive squares in 8 ways, for example, as 14174856032401 + 405938277368100 = 3764951^2 + 20147910^2 .

It is a cyclic number.

It is not a de Polignac number, because 420113133400501 - 2¹⁷ = 420113133269429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420113133400501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420113133400531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153803556 + ... + 156511213.

It is an arithmetic number, because the mean of its divisors is an integer number (28122431188635).

Almost surely, 2^{420113133400501} is an apocalyptic number.

It is an amenable number.

420113133400501 is a deficient number, since it is larger than the sum of its proper divisors (29845765617659).

420113133400501 is a wasteful number, since it uses less digits than its factorization.

420113133400501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310315704.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 420113133400501 its reverse (105004331311024), we get a palindrome (525117464711525).

The spelling of 420113133400501 in words is "four hundred twenty trillion, one hundred thirteen billion, one hundred thirty-three million, four hundred thousand, five hundred one".