11174041687 has 4 divisors (see below), whose sum is σ = 11178756856. Its totient is φ = 11169326520.

The previous prime is 11174041663. The next prime is 11174041693. The reversal of 11174041687 is 78614047111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11174041687 - 2¹⁵ = 11174008919 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 (11174041187) 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, 2354028 + ... + 2358769.

It is an arithmetic number, because the mean of its divisors is an integer number (2794689214).

Almost surely, 2^11174041687 is an apocalyptic number.

11174041687 is a deficient number, since it is larger than the sum of its proper divisors (4715169).

11174041687 is an equidigital number, since it uses as much as digits as its factorization.

11174041687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715168.

The product of its (nonzero) digits is 37632, while the sum is 40.

Adding to 11174041687 its reverse (78614047111), we get a palindrome (89788088798).

The spelling of 11174041687 in words is "eleven billion, one hundred seventy-four million, forty-one thousand, six hundred eighty-seven".