265553212103 has 2 divisors, whose sum is σ = 265553212104. Its totient is φ = 265553212102.

The previous prime is 265553212091. The next prime is 265553212123. The reversal of 265553212103 is 301212355562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265553212103 - 2¹² = 265553208007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265553212123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132776606051 + 132776606052.

It is an arithmetic number, because the mean of its divisors is an integer number (132776606052).

Almost surely, 2^265553212103 is an apocalyptic number.

265553212103 is a deficient number, since it is larger than the sum of its proper divisors (1).

265553212103 is an equidigital number, since it uses as much as digits as its factorization.

265553212103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 265553212103 its reverse (301212355562), we get a palindrome (566765567665).

The spelling of 265553212103 in words is "two hundred sixty-five billion, five hundred fifty-three million, two hundred twelve thousand, one hundred three".