11124689687791 has 8 divisors (see below), whose sum is σ = 11333283179904. Its totient is φ = 10917871459800.

The previous prime is 11124689687789. The next prime is 11124689687803. The reversal of 11124689687791 is 19778698642111.

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 11124689687791 - 2¹ = 11124689687789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11124689687791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11124684687791) 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, 443803381 + ... + 443828446.

It is an arithmetic number, because the mean of its divisors is an integer number (1416660397488).

Almost surely, 2^{11124689687791} is an apocalyptic number.

11124689687791 is a deficient number, since it is larger than the sum of its proper divisors (208593492113).

11124689687791 is an equidigital number, since it uses as much as digits as its factorization.

11124689687791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887632061.

The product of its digits is 73156608, while the sum is 70.

The spelling of 11124689687791 in words is "eleven trillion, one hundred twenty-four billion, six hundred eighty-nine million, six hundred eighty-seven thousand, seven hundred ninety-one".