11391650145 has 24 divisors (see below), whose sum is σ = 20165648256. Its totient is φ = 5946278688.

The previous prime is 11391650131. The next prime is 11391650189. The reversal of 11391650145 is 54105619311.

11391650145 is a `hidden beast` number, since 1 + 139 + 16 + 501 + 4 + 5 = 666.

It is not a de Polignac number, because 11391650145 - 2⁸ = 11391649889 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 2690947 + ... + 2695176.

It is an arithmetic number, because the mean of its divisors is an integer number (840235344).

Almost surely, 2^11391650145 is an apocalyptic number.

11391650145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11391650145 is a deficient number, since it is larger than the sum of its proper divisors (8773998111).

11391650145 is a wasteful number, since it uses less digits than its factorization.

11391650145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386181 (or 5386178 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The spelling of 11391650145 in words is "eleven billion, three hundred ninety-one million, six hundred fifty thousand, one hundred forty-five".