20104151454311 has 2 divisors, whose sum is σ = 20104151454312. Its totient is φ = 20104151454310.

The previous prime is 20104151454269. The next prime is 20104151454319. The reversal of 20104151454311 is 11345415140102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20104151454311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20104151454319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052075727155 + 10052075727156.

It is an arithmetic number, because the mean of its divisors is an integer number (10052075727156).

Almost surely, 2^{20104151454311} is an apocalyptic number.

20104151454311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20104151454311 is an equidigital number, since it uses as much as digits as its factorization.

20104151454311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 20104151454311 its reverse (11345415140102), we get a palindrome (31449566594413).

The spelling of 20104151454311 in words is "twenty trillion, one hundred four billion, one hundred fifty-one million, four hundred fifty-four thousand, three hundred eleven".