13261050001 has 4 divisors (see below), whose sum is σ = 13266901872. Its totient is φ = 13255198132.

The previous prime is 13261049999. The next prime is 13261050007. The reversal of 13261050001 is 10005016231.

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 13261050001 - 2¹ = 13261049999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13261050007) 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, 2922535 + ... + 2927068.

It is an arithmetic number, because the mean of its divisors is an integer number (3316725468).

Almost surely, 2^13261050001 is an apocalyptic number.

It is an amenable number.

13261050001 is a deficient number, since it is larger than the sum of its proper divisors (5851871).

13261050001 is an equidigital number, since it uses as much as digits as its factorization.

13261050001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851870.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 13261050001 its reverse (10005016231), we get a palindrome (23266066232).

The spelling of 13261050001 in words is "thirteen billion, two hundred sixty-one million, fifty thousand, one".