11943900529 has 16 divisors (see below), whose sum is σ = 13686303744. Its totient is φ = 10317186000.

The previous prime is 11943900491. The next prime is 11943900569. The reversal of 11943900529 is 92500934911.

It is not a de Polignac number, because 11943900529 - 2²³ = 11935511921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11943900569) 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, 118119 + ... + 194524.

It is an arithmetic number, because the mean of its divisors is an integer number (855393984).

Almost surely, 2^11943900529 is an apocalyptic number.

It is an amenable number.

11943900529 is a deficient number, since it is larger than the sum of its proper divisors (1742403215).

11943900529 is a wasteful number, since it uses less digits than its factorization.

11943900529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312828.

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 11943900529 in words is "eleven billion, nine hundred forty-three million, nine hundred thousand, five hundred twenty-nine".