11513053213001 has 4 divisors (see below), whose sum is σ = 11513060666004. Its totient is φ = 11513045760000.

The previous prime is 11513053212961. The next prime is 11513053213019. The reversal of 11513053213001 is 10031235031511.

It is a happy number.

11513053213001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11117563158601 + 395490054400 = 3334301^2 + 628880^2 .

It is a cyclic number.

It is not a de Polignac number, because 11513053213001 - 2¹⁸ = 11513052950857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11513053213091) 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, 447800 + ... + 4819401.

It is an arithmetic number, because the mean of its divisors is an integer number (2878265166501).

Almost surely, 2^{11513053213001} is an apocalyptic number.

It is an amenable number.

11513053213001 is a deficient number, since it is larger than the sum of its proper divisors (7453003).

11513053213001 is an equidigital number, since it uses as much as digits as its factorization.

11513053213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7453002.

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 11513053213001 its reverse (10031235031511), we get a palindrome (21544288244512).

The spelling of 11513053213001 in words is "eleven trillion, five hundred thirteen billion, fifty-three million, two hundred thirteen thousand, one".