11390626085 has 8 divisors (see below), whose sum is σ = 13669633656.
Its totient is φ = 9111912640.
The previous prime is 11390626033. The next prime is 11390626087. The reversal of 11390626085 is 58062609311.
It can be written as a sum of positive squares in 4 ways, for example, as 484792324 + 10905833761 = 22018^2 + 104431^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11390626085 - 224 = 11373848869 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11390626087) 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, 23255 + ... + 152715.
It is an arithmetic number, because the mean of its divisors is an integer number (1708704207).
Almost surely, 211390626085 is an apocalyptic number.
It is an amenable number.
11390626085 is a deficient number, since it is larger than the sum of its proper divisors (2279007571).
11390626085 is a wasteful number, since it uses less digits than its factorization.
11390626085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147063.
The product of its (nonzero) digits is 77760, while the sum is 41.
The spelling of 11390626085 in words is "eleven billion, three hundred ninety million, six hundred twenty-six thousand, eighty-five".