11736496909 has 4 divisors (see below), whose sum is σ = 11846183904. Its totient is φ = 11626809916.

The previous prime is 11736496901. The next prime is 11736497021. The reversal of 11736496909 is 90969463711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11736496909 - 2³ = 11736496901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11736496909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11736496901) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54843337 + ... + 54843550.

It is an arithmetic number, because the mean of its divisors is an integer number (2961545976).

Almost surely, 2^11736496909 is an apocalyptic number.

It is an amenable number.

11736496909 is a deficient number, since it is larger than the sum of its proper divisors (109686995).

11736496909 is a wasteful number, since it uses less digits than its factorization.

11736496909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109686994.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 11736496909 in words is "eleven billion, seven hundred thirty-six million, four hundred ninety-six thousand, nine hundred nine".