13155510210053 has 4 divisors (see below), whose sum is σ = 13155571151628. Its totient is φ = 13155449268480.

The previous prime is 13155510210049. The next prime is 13155510210097. The reversal of 13155510210053 is 35001201555131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12246094311364 + 909415898689 = 3499442^2 + 953633^2 .

It is a cyclic number.

It is not a de Polignac number, because 13155510210053 - 2² = 13155510210049 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 (13155510510053) 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, 30145826 + ... + 30579107.

It is an arithmetic number, because the mean of its divisors is an integer number (3288892787907).

Almost surely, 2^{13155510210053} is an apocalyptic number.

It is an amenable number.

13155510210053 is a deficient number, since it is larger than the sum of its proper divisors (60941575).

13155510210053 is an equidigital number, since it uses as much as digits as its factorization.

13155510210053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60941574.

The product of its (nonzero) digits is 11250, while the sum is 32.

Adding to 13155510210053 its reverse (35001201555131), we get a palindrome (48156711765184).

The spelling of 13155510210053 in words is "thirteen trillion, one hundred fifty-five billion, five hundred ten million, two hundred ten thousand, fifty-three".