11695420027 has 4 divisors (see below), whose sum is σ = 11980674216. Its totient is φ = 11410165840.

The previous prime is 11695419991. The next prime is 11695420039. The reversal of 11695420027 is 72002459611.

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

It is a cyclic number.

It is not a de Polignac number, because 11695420027 - 2¹⁹ = 11694895739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11695420097) 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, 142627033 + ... + 142627114.

It is an arithmetic number, because the mean of its divisors is an integer number (2995168554).

Almost surely, 2^11695420027 is an apocalyptic number.

11695420027 is a deficient number, since it is larger than the sum of its proper divisors (285254189).

11695420027 is an equidigital number, since it uses as much as digits as its factorization.

11695420027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285254188.

The product of its (nonzero) digits is 30240, while the sum is 37.

Adding to 11695420027 its reverse (72002459611), we get a palindrome (83697879638).

The spelling of 11695420027 in words is "eleven billion, six hundred ninety-five million, four hundred twenty thousand, twenty-seven".