13112520051253 has 4 divisors (see below), whose sum is σ = 14985737201440. Its totient is φ = 11239302901068.

The previous prime is 13112520051247. The next prime is 13112520051313. The reversal of 13112520051253 is 35215002521131.

It is a happy number.

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 13112520051253 - 2²¹ = 13112517954101 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 (13112520051353) 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, 936608575083 + ... + 936608575096.

It is an arithmetic number, because the mean of its divisors is an integer number (3746434300360).

Almost surely, 2^{13112520051253} is an apocalyptic number.

It is an amenable number.

13112520051253 is a deficient number, since it is larger than the sum of its proper divisors (1873217150187).

13112520051253 is an equidigital number, since it uses as much as digits as its factorization.

13112520051253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873217150186.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 13112520051253 its reverse (35215002521131), we get a palindrome (48327522572384).

The spelling of 13112520051253 in words is "thirteen trillion, one hundred twelve billion, five hundred twenty million, fifty-one thousand, two hundred fifty-three".