11695831601 has 4 divisors (see below), whose sum is σ = 11725292532. Its totient is φ = 11666370672.

The previous prime is 11695831561. The next prime is 11695831619. The reversal of 11695831601 is 10613859611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9124834576 + 2570997025 = 95524^2 + 50705^2 .

It is a cyclic number.

It is not a de Polignac number, because 11695831601 - 2¹⁰ = 11695830577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11695831681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14729870 + ... + 14730663.

It is an arithmetic number, because the mean of its divisors is an integer number (2931323133).

Almost surely, 2^11695831601 is an apocalyptic number.

It is an amenable number.

11695831601 is a deficient number, since it is larger than the sum of its proper divisors (29460931).

11695831601 is an equidigital number, since it uses as much as digits as its factorization.

11695831601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29460930.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 11695831601 in words is "eleven billion, six hundred ninety-five million, eight hundred thirty-one thousand, six hundred one".