411252420561 has 16 divisors (see below), whose sum is σ = 550141715520. Its totient is φ = 273265873920.

The previous prime is 411252420559. The next prime is 411252420571. The reversal of 411252420561 is 165024252114.

It is a happy number.

It is not a de Polignac number, because 411252420561 - 2¹ = 411252420559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (411252420511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16665250 + ... + 16689908.

It is an arithmetic number, because the mean of its divisors is an integer number (34383857220).

Almost surely, 2^411252420561 is an apocalyptic number.

It is an amenable number.

411252420561 is a deficient number, since it is larger than the sum of its proper divisors (138889294959).

411252420561 is a wasteful number, since it uses less digits than its factorization.

411252420561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42736.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 411252420561 its reverse (165024252114), we get a palindrome (576276672675).

The spelling of 411252420561 in words is "four hundred eleven billion, two hundred fifty-two million, four hundred twenty thousand, five hundred sixty-one".