11955497929 has 4 divisors (see below), whose sum is σ = 11959422100. Its totient is φ = 11951573760.

The previous prime is 11955497891. The next prime is 11955497941. The reversal of 11955497929 is 92979455911.

11955497929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2359336329 + 9596161600 = 48573^2 + 97960^2 .

It is a cyclic number.

It is not a de Polignac number, because 11955497929 - 2¹⁵ = 11955465161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11955497969) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1957512 + ... + 1963609.

It is an arithmetic number, because the mean of its divisors is an integer number (2989855525).

Almost surely, 2^11955497929 is an apocalyptic number.

It is an amenable number.

11955497929 is a deficient number, since it is larger than the sum of its proper divisors (3924171).

11955497929 is an equidigital number, since it uses as much as digits as its factorization.

11955497929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924170.

The product of its digits is 9185400, while the sum is 61.

The spelling of 11955497929 in words is "eleven billion, nine hundred fifty-five million, four hundred ninety-seven thousand, nine hundred twenty-nine".