11540541613 has 8 divisors (see below), whose sum is σ = 12862523520. Its totient is φ = 10290018240.

The previous prime is 11540541599. The next prime is 11540541637. The reversal of 11540541613 is 31614504511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11540541613 - 2²⁹ = 11003670701 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 (11540541653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17864293 + ... + 17864938.

It is an arithmetic number, because the mean of its divisors is an integer number (1607815440).

Almost surely, 2^11540541613 is an apocalyptic number.

It is an amenable number.

11540541613 is a deficient number, since it is larger than the sum of its proper divisors (1321981907).

11540541613 is a wasteful number, since it uses less digits than its factorization.

11540541613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35729267.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 11540541613 in words is "eleven billion, five hundred forty million, five hundred forty-one thousand, six hundred thirteen".