11387334609 has 24 divisors (see below), whose sum is σ = 18801020160. Its totient is φ = 6506051328.

The previous prime is 11387334601. The next prime is 11387334643. The reversal of 11387334609 is 90643378311.

11387334609 is a `hidden beast` number, since 1 + 1 + 3 + 8 + 7 + 3 + 34 + 609 = 666.

It is not a de Polignac number, because 11387334609 - 2³ = 11387334601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11387334601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654744 + ... + 671910.

It is an arithmetic number, because the mean of its divisors is an integer number (783375840).

Almost surely, 2^11387334609 is an apocalyptic number.

It is an amenable number.

11387334609 is a deficient number, since it is larger than the sum of its proper divisors (7413685551).

11387334609 is a wasteful number, since it uses less digits than its factorization.

11387334609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27709 (or 27706 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 11387334609 in words is "eleven billion, three hundred eighty-seven million, three hundred thirty-four thousand, six hundred nine".