10218139426559 has 4 divisors (see below), whose sum is σ = 10341249540216. Its totient is φ = 10095029312904.

The previous prime is 10218139426531. The next prime is 10218139426597. The reversal of 10218139426559 is 95562493181201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10218139426559 - 2⁴⁰ = 9118627798783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10218139026559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61555056704 + ... + 61555056869.

It is an arithmetic number, because the mean of its divisors is an integer number (2585312385054).

Almost surely, 2^{10218139426559} is an apocalyptic number.

10218139426559 is a deficient number, since it is larger than the sum of its proper divisors (123110113657).

10218139426559 is an equidigital number, since it uses as much as digits as its factorization.

10218139426559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123110113656.

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 10218139426559 in words is "ten trillion, two hundred eighteen billion, one hundred thirty-nine million, four hundred twenty-six thousand, five hundred fifty-nine".