11647203113 has 16 divisors (see below), whose sum is σ = 14345210880. Its totient is φ = 9208817856.

The previous prime is 11647203109. The next prime is 11647203119. The reversal of 11647203113 is 31130274611.

It is not a de Polignac number, because 11647203113 - 2² = 11647203109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11647203119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85256 + ... + 174822.

It is an arithmetic number, because the mean of its divisors is an integer number (896575680).

Almost surely, 2^11647203113 is an apocalyptic number.

11647203113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11647203113 is a deficient number, since it is larger than the sum of its proper divisors (2698007767).

11647203113 is a wasteful number, since it uses less digits than its factorization.

11647203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91016.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 11647203113 its reverse (31130274611), we get a palindrome (42777477724).

The spelling of 11647203113 in words is "eleven billion, six hundred forty-seven million, two hundred three thousand, one hundred thirteen".