20312402111411 has 2 divisors, whose sum is σ = 20312402111412. Its totient is φ = 20312402111410.

The previous prime is 20312402111363. The next prime is 20312402111453. The reversal of 20312402111411 is 11411120421302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20312402111411 is a prime.

It is not a weakly prime, because it can be changed into another prime (20312402111711) 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 as a sum of consecutive naturals, namely, 10156201055705 + 10156201055706.

It is an arithmetic number, because the mean of its divisors is an integer number (10156201055706).

Almost surely, 2^{20312402111411} is an apocalyptic number.

20312402111411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312402111411 is an equidigital number, since it uses as much as digits as its factorization.

20312402111411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 20312402111411 its reverse (11411120421302), we get a palindrome (31723522532713).

The spelling of 20312402111411 in words is "twenty trillion, three hundred twelve billion, four hundred two million, one hundred eleven thousand, four hundred eleven".