11475212709 has 8 divisors (see below), whose sum is σ = 15326802880. Its totient is φ = 7636882176.

The previous prime is 11475212699. The next prime is 11475212711. The reversal of 11475212709 is 90721257411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11475212709 - 2²⁷ = 11340994981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11475212809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3312889 + ... + 3316350.

It is an arithmetic number, because the mean of its divisors is an integer number (1915850360).

Almost surely, 2^11475212709 is an apocalyptic number.

It is an amenable number.

11475212709 is a deficient number, since it is larger than the sum of its proper divisors (3851590171).

11475212709 is an equidigital number, since it uses as much as digits as its factorization.

11475212709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629819.

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 11475212709 in words is "eleven billion, four hundred seventy-five million, two hundred twelve thousand, seven hundred nine".