11390188745 has 8 divisors (see below), whose sum is σ = 14719628616. Its totient is φ = 8411216256.

The previous prime is 11390188673. The next prime is 11390188753. The reversal of 11390188745 is 54788109311.

It can be written as a sum of positive squares in 4 ways, for example, as 25775929 + 11364412816 = 5077^2 + 106604^2 .

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 11390188745 - 2⁸ = 11390188489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11390188745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87616772 + ... + 87616901.

It is an arithmetic number, because the mean of its divisors is an integer number (1839953577).

Almost surely, 2^11390188745 is an apocalyptic number.

It is an amenable number.

11390188745 is a deficient number, since it is larger than the sum of its proper divisors (3329439871).

11390188745 is a wasteful number, since it uses less digits than its factorization.

11390188745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175233691.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 11390188745 in words is "eleven billion, three hundred ninety million, one hundred eighty-eight thousand, seven hundred forty-five".