11134213678 has 16 divisors (see below), whose sum is σ = 19603095264. Its totient is φ = 4642837920.

The previous prime is 11134213663. The next prime is 11134213691. The reversal of 11134213678 is 87631243111.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10746793 + ... + 10747828.

It is an arithmetic number, because the mean of its divisors is an integer number (1225193454).

Almost surely, 2^11134213678 is an apocalyptic number.

11134213678 is a deficient number, since it is larger than the sum of its proper divisors (8468881586).

11134213678 is a wasteful number, since it uses less digits than its factorization.

11134213678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21494667.

The product of its digits is 24192, while the sum is 37.

Adding to 11134213678 its reverse (87631243111), we get a palindrome (98765456789).

The spelling of 11134213678 in words is "eleven billion, one hundred thirty-four million, two hundred thirteen thousand, six hundred seventy-eight".