11989192532929 has 2 divisors, whose sum is σ = 11989192532930. Its totient is φ = 11989192532928.

The previous prime is 11989192532927. The next prime is 11989192533079. The reversal of 11989192532929 is 92923529198911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10372734572929 + 1616457960000 = 3220673^2 + 1271400^2 .

It is a cyclic number.

It is not a de Polignac number, because 11989192532929 - 2¹ = 11989192532927 is a prime.

Together with 11989192532927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11989192532921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5994596266464 + 5994596266465.

It is an arithmetic number, because the mean of its divisors is an integer number (5994596266465).

Almost surely, 2^{11989192532929} is an apocalyptic number.

It is an amenable number.

11989192532929 is a deficient number, since it is larger than the sum of its proper divisors (1).

11989192532929 is an equidigital number, since it uses as much as digits as its factorization.

11989192532929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56687040, while the sum is 70.

The spelling of 11989192532929 in words is "eleven trillion, nine hundred eighty-nine billion, one hundred ninety-two million, five hundred thirty-two thousand, nine hundred twenty-nine".