11125688387 has 8 divisors (see below), whose sum is σ = 12138232512. Its totient is φ = 10113330600.

The previous prime is 11125688359. The next prime is 11125688407. The reversal of 11125688387 is 78388652111.

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 11125688387 - 2¹² = 11125684291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11125684387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97712 + ... + 178322.

It is an arithmetic number, because the mean of its divisors is an integer number (1517279064).

Almost surely, 2^11125688387 is an apocalyptic number.

11125688387 is a deficient number, since it is larger than the sum of its proper divisors (1012544125).

11125688387 is a wasteful number, since it uses less digits than its factorization.

11125688387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93169.

The product of its digits is 645120, while the sum is 50.

The spelling of 11125688387 in words is "eleven billion, one hundred twenty-five million, six hundred eighty-eight thousand, three hundred eighty-seven".