2251540204163 has 2 divisors, whose sum is σ = 2251540204164. Its totient is φ = 2251540204162.

The previous prime is 2251540204099. The next prime is 2251540204189. The reversal of 2251540204163 is 3614020451522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2251540204163 - 2⁶ = 2251540204099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2251540204663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125770102081 + 1125770102082.

It is an arithmetic number, because the mean of its divisors is an integer number (1125770102082).

Almost surely, 2^{2251540204163} is an apocalyptic number.

2251540204163 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251540204163 is an equidigital number, since it uses as much as digits as its factorization.

2251540204163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 2251540204163 its reverse (3614020451522), we get a palindrome (5865560655685).

The spelling of 2251540204163 in words is "two trillion, two hundred fifty-one billion, five hundred forty million, two hundred four thousand, one hundred sixty-three".