11471227695 has 20 divisors (see below), whose sum is σ = 20563238520. Its totient is φ = 6117987888.

The previous prime is 11471227679. The next prime is 11471227699. The reversal of 11471227695 is 59672217411.

11471227695 is a `hidden beast` number, since 1 + 1 + 471 + 22 + 76 + 95 = 666.

It is not a de Polignac number, because 11471227695 - 2⁴ = 11471227679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11471227695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11471227699) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14161605 + ... + 14162414.

It is an arithmetic number, because the mean of its divisors is an integer number (1028161926).

Almost surely, 2^11471227695 is an apocalyptic number.

11471227695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11471227695 is a deficient number, since it is larger than the sum of its proper divisors (9092010825).

11471227695 is an equidigital number, since it uses as much as digits as its factorization.

11471227695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28324036 (or 28324027 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The spelling of 11471227695 in words is "eleven billion, four hundred seventy-one million, two hundred twenty-seven thousand, six hundred ninety-five".