11970768817 has 8 divisors (see below), whose sum is σ = 13686667712. Its totient is φ = 10256317200.

The previous prime is 11970768787. The next prime is 11970768847. The reversal of 11970768817 is 71886707911.

It is an interprime number because it is at equal distance from previous prime (11970768787) and next prime (11970768847).

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 11970768817 - 2³¹ = 9823285169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11970768847) 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, 344034 + ... + 377227.

It is an arithmetic number, because the mean of its divisors is an integer number (1710833464).

Almost surely, 2^11970768817 is an apocalyptic number.

It is an amenable number.

11970768817 is a deficient number, since it is larger than the sum of its proper divisors (1715898895).

11970768817 is an equidigital number, since it uses as much as digits as its factorization.

11970768817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723639.

The product of its (nonzero) digits is 1185408, while the sum is 55.

The spelling of 11970768817 in words is "eleven billion, nine hundred seventy million, seven hundred sixty-eight thousand, eight hundred seventeen".