11116678389 has 8 divisors (see below), whose sum is σ = 15466683072. Its totient is φ = 7088896320.

The previous prime is 11116678387. The next prime is 11116678393. The reversal of 11116678389 is 98387661111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11116678389 - 2¹ = 11116678387 is a prime.

It is a super-3 number, since 3×11116678389³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11116678381) 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, 80555572 + ... + 80555709.

It is an arithmetic number, because the mean of its divisors is an integer number (1933335384).

Almost surely, 2^11116678389 is an apocalyptic number.

It is an amenable number.

11116678389 is a deficient number, since it is larger than the sum of its proper divisors (4350004683).

11116678389 is a wasteful number, since it uses less digits than its factorization.

11116678389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161111307.

The product of its digits is 435456, while the sum is 51.

The spelling of 11116678389 in words is "eleven billion, one hundred sixteen million, six hundred seventy-eight thousand, three hundred eighty-nine".