13253061061 has 4 divisors (see below), whose sum is σ = 13289173312. Its totient is φ = 13216948812.

The previous prime is 13253061053. The next prime is 13253061071. The reversal of 13253061061 is 16016035231.

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 13253061061 - 2³ = 13253061053 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 (13253061071) 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, 18055575 + ... + 18056308.

It is an arithmetic number, because the mean of its divisors is an integer number (3322293328).

Almost surely, 2^13253061061 is an apocalyptic number.

It is an amenable number.

13253061061 is a deficient number, since it is larger than the sum of its proper divisors (36112251).

13253061061 is an equidigital number, since it uses as much as digits as its factorization.

13253061061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36112250.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 13253061061 its reverse (16016035231), we get a palindrome (29269096292).

The spelling of 13253061061 in words is "thirteen billion, two hundred fifty-three million, sixty-one thousand, sixty-one".