11934546911 has 4 divisors (see below), whose sum is σ = 13639482192. Its totient is φ = 10229611632.

The previous prime is 11934546901. The next prime is 11934546917. The reversal of 11934546911 is 11964543911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11964543911 = 523 ⋅22876757.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11934546911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11934546917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852467630 + ... + 852467643.

It is an arithmetic number, because the mean of its divisors is an integer number (3409870548).

Almost surely, 2^11934546911 is an apocalyptic number.

11934546911 is a deficient number, since it is larger than the sum of its proper divisors (1704935281).

11934546911 is an equidigital number, since it uses as much as digits as its factorization.

11934546911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704935280.

The product of its digits is 116640, while the sum is 44.

The spelling of 11934546911 in words is "eleven billion, nine hundred thirty-four million, five hundred forty-six thousand, nine hundred eleven".