11729012338889 has 4 divisors (see below), whose sum is σ = 12133461040260. Its totient is φ = 11324563637520.

The previous prime is 11729012338793. The next prime is 11729012338907. The reversal of 11729012338889 is 98883321092711.

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 9261474033289 + 2467538305600 = 3043267^2 + 1570840^2 .

It is a cyclic number.

It is not a de Polignac number, because 11729012338889 - 2¹⁶ = 11729012273353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11729012338489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202224350642 + ... + 202224350699.

It is an arithmetic number, because the mean of its divisors is an integer number (3033365260065).

Almost surely, 2^{11729012338889} is an apocalyptic number.

It is an amenable number.

11729012338889 is a deficient number, since it is larger than the sum of its proper divisors (404448701371).

11729012338889 is an equidigital number, since it uses as much as digits as its factorization.

11729012338889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404448701370.

The product of its (nonzero) digits is 10450944, while the sum is 62.

The spelling of 11729012338889 in words is "eleven trillion, seven hundred twenty-nine billion, twelve million, three hundred thirty-eight thousand, eight hundred eighty-nine".