20415031411 has 2 divisors, whose sum is σ = 20415031412. Its totient is φ = 20415031410.

The previous prime is 20415031361. The next prime is 20415031423. The reversal of 20415031411 is 11413051402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20415031411 - 2⁷ = 20415031283 is a prime.

It is not a weakly prime, because it can be changed into another prime (20415034411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10207515705 + 10207515706.

It is an arithmetic number, because the mean of its divisors is an integer number (10207515706).

Almost surely, 2^20415031411 is an apocalyptic number.

20415031411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20415031411 is an equidigital number, since it uses as much as digits as its factorization.

20415031411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 20415031411 its reverse (11413051402), we get a palindrome (31828082813).

The spelling of 20415031411 in words is "twenty billion, four hundred fifteen million, thirty-one thousand, four hundred eleven".