11386552309 has 16 divisors (see below), whose sum is σ = 13168958976. Its totient is φ = 9746740800.

The previous prime is 11386552301. The next prime is 11386552319. The reversal of 11386552309 is 90325568311.

It is a cyclic number.

It is not a de Polignac number, because 11386552309 - 2³ = 11386552301 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 (11386552301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438622 + ... + 463855.

It is an arithmetic number, because the mean of its divisors is an integer number (823059936).

Almost surely, 2^11386552309 is an apocalyptic number.

It is an amenable number.

11386552309 is a deficient number, since it is larger than the sum of its proper divisors (1782406667).

11386552309 is a wasteful number, since it uses less digits than its factorization.

11386552309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902556.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 11386552309 in words is "eleven billion, three hundred eighty-six million, five hundred fifty-two thousand, three hundred nine".