11617135049549 has 4 divisors (see below), whose sum is σ = 11634144032736. Its totient is φ = 11600126066364.

The previous prime is 11617135049491. The next prime is 11617135049593. The reversal of 11617135049549 is 94594053171611.

11617135049549 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11617135049549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11617135049494 and 11617135049503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11617135040549) 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, 8504490569 + ... + 8504491934.

It is an arithmetic number, because the mean of its divisors is an integer number (2908536008184).

Almost surely, 2^{11617135049549} is an apocalyptic number.

It is an amenable number.

11617135049549 is a deficient number, since it is larger than the sum of its proper divisors (17008983187).

11617135049549 is an equidigital number, since it uses as much as digits as its factorization.

11617135049549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17008983186.

The product of its (nonzero) digits is 4082400, while the sum is 56.

The spelling of 11617135049549 in words is "eleven trillion, six hundred seventeen billion, one hundred thirty-five million, forty-nine thousand, five hundred forty-nine".