11601646117 has 4 divisors (see below), whose sum is σ = 11633963040. Its totient is φ = 11569329196.

The previous prime is 11601646033. The next prime is 11601646129. The reversal of 11601646117 is 71164610611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71164610611 = 3529 ⋅20165659.

It is a cyclic number.

It is not a de Polignac number, because 11601646117 - 2¹¹ = 11601644069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11601646187) 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, 16157923 + ... + 16158640.

It is an arithmetic number, because the mean of its divisors is an integer number (2908490760).

Almost surely, 2^11601646117 is an apocalyptic number.

It is an amenable number.

11601646117 is a deficient number, since it is larger than the sum of its proper divisors (32316923).

11601646117 is an equidigital number, since it uses as much as digits as its factorization.

11601646117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32316922.

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 11601646117 in words is "eleven billion, six hundred one million, six hundred forty-six thousand, one hundred seventeen".