5263610026121 has 4 divisors (see below), whose sum is σ = 5263848102144. Its totient is φ = 5263371950100.

The previous prime is 5263610026013. The next prime is 5263610026139. The reversal of 5263610026121 is 1216200163625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5263610026121 - 2¹⁰ = 5263610025097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5263610026421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119004845 + ... + 119049066.

It is an arithmetic number, because the mean of its divisors is an integer number (1315962025536).

Almost surely, 2^{5263610026121} is an apocalyptic number.

It is an amenable number.

5263610026121 is a deficient number, since it is larger than the sum of its proper divisors (238076023).

5263610026121 is a wasteful number, since it uses less digits than its factorization.

5263610026121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238076022.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 5263610026121 its reverse (1216200163625), we get a palindrome (6479810189746).

The spelling of 5263610026121 in words is "five trillion, two hundred sixty-three billion, six hundred ten million, twenty-six thousand, one hundred twenty-one".