11965414845 has 8 divisors (see below), whose sum is σ = 19144663776. Its totient is φ = 6381554576.

The previous prime is 11965414843. The next prime is 11965414871. The reversal of 11965414845 is 54841456911.

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

It is a cyclic number.

It is not a de Polignac number, because 11965414845 - 2¹ = 11965414843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11965414794 and 11965414803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11965414843) 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, 398847147 + ... + 398847176.

It is an arithmetic number, because the mean of its divisors is an integer number (2393082972).

Almost surely, 2^11965414845 is an apocalyptic number.

11965414845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11965414845 is a deficient number, since it is larger than the sum of its proper divisors (7179248931).

11965414845 is an equidigital number, since it uses as much as digits as its factorization.

11965414845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797694331.

The product of its digits is 691200, while the sum is 48.

The spelling of 11965414845 in words is "eleven billion, nine hundred sixty-five million, four hundred fourteen thousand, eight hundred forty-five".