11541104639 has 4 divisors (see below), whose sum is σ = 11853026424. Its totient is φ = 11229182856.

The previous prime is 11541104633. The next prime is 11541104681. The reversal of 11541104639 is 93640114511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93640114511 = 317 ⋅295394683.

It is a cyclic number.

It is not a de Polignac number, because 11541104639 - 2²⁸ = 11272669183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11541104599 and 11541104608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11541104633) 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, 155960837 + ... + 155960910.

It is an arithmetic number, because the mean of its divisors is an integer number (2963256606).

Almost surely, 2^11541104639 is an apocalyptic number.

11541104639 is a deficient number, since it is larger than the sum of its proper divisors (311921785).

11541104639 is an equidigital number, since it uses as much as digits as its factorization.

11541104639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311921784.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 11541104639 in words is "eleven billion, five hundred forty-one million, one hundred four thousand, six hundred thirty-nine".