11297158647 has 4 divisors (see below), whose sum is σ = 15062878200. Its totient is φ = 7531439096.

The previous prime is 11297158627. The next prime is 11297158673. The reversal of 11297158647 is 74685179211.

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 11297158647 - 2¹⁰ = 11297157623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11297158647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11297158627) 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, 1882859772 + ... + 1882859777.

It is an arithmetic number, because the mean of its divisors is an integer number (3765719550).

Almost surely, 2^11297158647 is an apocalyptic number.

11297158647 is a deficient number, since it is larger than the sum of its proper divisors (3765719553).

11297158647 is an equidigital number, since it uses as much as digits as its factorization.

11297158647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765719552.

The product of its digits is 846720, while the sum is 51.

The spelling of 11297158647 in words is "eleven billion, two hundred ninety-seven million, one hundred fifty-eight thousand, six hundred forty-seven".