11697963905 has 8 divisors (see below), whose sum is σ = 14235269184. Its totient is φ = 9226562800.

The previous prime is 11697963779. The next prime is 11697963923. The reversal of 11697963905 is 50936979611.

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

It is not a de Polignac number, because 11697963905 - 2¹² = 11697959809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16475651 + ... + 16476360.

It is an arithmetic number, because the mean of its divisors is an integer number (1779408648).

Almost surely, 2^11697963905 is an apocalyptic number.

It is an amenable number.

11697963905 is a deficient number, since it is larger than the sum of its proper divisors (2537305279).

11697963905 is an equidigital number, since it uses as much as digits as its factorization.

11697963905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32952087.

The product of its (nonzero) digits is 2755620, while the sum is 56.

The spelling of 11697963905 in words is "eleven billion, six hundred ninety-seven million, nine hundred sixty-three thousand, nine hundred five".