11735001609 has 16 divisors (see below), whose sum is σ = 16235986944. Its totient is φ = 7531318800.

The previous prime is 11735001601. The next prime is 11735001611. The reversal of 11735001609 is 90610053711.

It is a happy number.

It is not a de Polignac number, because 11735001609 - 2³ = 11735001601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11735001609.

It is not an unprimeable number, because it can be changed into a prime (11735001601) 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 15 ways as a sum of consecutive naturals, for example, 312559 + ... + 348084.

It is an arithmetic number, because the mean of its divisors is an integer number (1014749184).

Almost surely, 2^11735001609 is an apocalyptic number.

It is an amenable number.

11735001609 is a deficient number, since it is larger than the sum of its proper divisors (4500985335).

11735001609 is a wasteful number, since it uses less digits than its factorization.

11735001609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660868.

The product of its (nonzero) digits is 5670, while the sum is 33.

The spelling of 11735001609 in words is "eleven billion, seven hundred thirty-five million, one thousand, six hundred nine".