20315111413241 has 2 divisors, whose sum is σ = 20315111413242. Its totient is φ = 20315111413240.

The previous prime is 20315111413171. The next prime is 20315111413277. The reversal of 20315111413241 is 14231411151302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19006155756025 + 1308955657216 = 4359605^2 + 1144096^2 .

It is a cyclic number.

It is not a de Polignac number, because 20315111413241 - 2¹⁴ = 20315111396857 is a prime.

It is not a weakly prime, because it can be changed into another prime (20315111413841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10157555706620 + 10157555706621.

It is an arithmetic number, because the mean of its divisors is an integer number (10157555706621).

Almost surely, 2^{20315111413241} is an apocalyptic number.

It is an amenable number.

20315111413241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20315111413241 is an equidigital number, since it uses as much as digits as its factorization.

20315111413241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 20315111413241 its reverse (14231411151302), we get a palindrome (34546522564543).

The spelling of 20315111413241 in words is "twenty trillion, three hundred fifteen billion, one hundred eleven million, four hundred thirteen thousand, two hundred forty-one".