13420251107 has 4 divisors (see below), whose sum is σ = 13427202936. Its totient is φ = 13413299280.

The previous prime is 13420251043. The next prime is 13420251121. The reversal of 13420251107 is 70115202431.

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 13420251107 - 2⁶ = 13420251043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13420256107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3473018 + ... + 3476879.

It is an arithmetic number, because the mean of its divisors is an integer number (3356800734).

Almost surely, 2^13420251107 is an apocalyptic number.

13420251107 is a deficient number, since it is larger than the sum of its proper divisors (6951829).

13420251107 is an equidigital number, since it uses as much as digits as its factorization.

13420251107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951828.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 13420251107 its reverse (70115202431), we get a palindrome (83535453538).

The spelling of 13420251107 in words is "thirteen billion, four hundred twenty million, two hundred fifty-one thousand, one hundred seven".