11941749534 has 64 divisors (see below), whose sum is σ = 28245063168. Its totient is φ = 3318192000.

The previous prime is 11941749517. The next prime is 11941749563. The reversal of 11941749534 is 43594714911.

11941749534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83472 + ... + 175644.

It is an arithmetic number, because the mean of its divisors is an integer number (441329112).

Almost surely, 2^11941749534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11941749534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14122531584).

11941749534 is an abundant number, since it is smaller than the sum of its proper divisors (16303313634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11941749534 is a wasteful number, since it uses less digits than its factorization.

11941749534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92353.

The product of its digits is 544320, while the sum is 48.

The spelling of 11941749534 in words is "eleven billion, nine hundred forty-one million, seven hundred forty-nine thousand, five hundred thirty-four".