11118390685 has 8 divisors (see below), whose sum is σ = 13344922080. Its totient is φ = 8892810384.

The previous prime is 11118390671. The next prime is 11118390709. The reversal of 11118390685 is 58609381111.

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 11118390685 - 2⁷ = 11118390557 is a prime.

It is a super-2 number, since 2×11118390685² (a number of 21 digits) contains 22 as substring.

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, 211795 + ... + 259024.

It is an arithmetic number, because the mean of its divisors is an integer number (1668115260).

Almost surely, 2^11118390685 is an apocalyptic number.

It is an amenable number.

11118390685 is a deficient number, since it is larger than the sum of its proper divisors (2226531395).

11118390685 is an equidigital number, since it uses as much as digits as its factorization.

11118390685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475547.

The product of its (nonzero) digits is 51840, while the sum is 43.

The spelling of 11118390685 in words is "eleven billion, one hundred eighteen million, three hundred ninety thousand, six hundred eighty-five".