2541191571353 has 4 divisors (see below), whose sum is σ = 2541194804148. Its totient is φ = 2541188338560.

The previous prime is 2541191571349. The next prime is 2541191571407. The reversal of 2541191571353 is 3531751911452.

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 902287212544 + 1638904358809 = 949888^2 + 1280197^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541191571353 - 2² = 2541191571349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2541191571298 and 2541191571307.

It is not an unprimeable number, because it can be changed into a prime (2541191571313) 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, 406973 + ... + 2290853.

It is an arithmetic number, because the mean of its divisors is an integer number (635298701037).

Almost surely, 2^{2541191571353} is an apocalyptic number.

It is an amenable number.

2541191571353 is a deficient number, since it is larger than the sum of its proper divisors (3232795).

2541191571353 is a wasteful number, since it uses less digits than its factorization.

2541191571353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232794.

The product of its digits is 567000, while the sum is 47.

The spelling of 2541191571353 in words is "two trillion, five hundred forty-one billion, one hundred ninety-one million, five hundred seventy-one thousand, three hundred fifty-three".