29825805311 has 4 divisors (see below), whose sum is σ = 29886550824. Its totient is φ = 29765059800.

The previous prime is 29825805307. The next prime is 29825805403. The reversal of 29825805311 is 11350852892.

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

It is a cyclic number.

It is not a de Polignac number, because 29825805311 - 2² = 29825805307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29825807311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30372020 + ... + 30373001.

It is an arithmetic number, because the mean of its divisors is an integer number (7471637706).

Almost surely, 2^29825805311 is an apocalyptic number.

29825805311 is a deficient number, since it is larger than the sum of its proper divisors (60745513).

29825805311 is an equidigital number, since it uses as much as digits as its factorization.

29825805311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60745512.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 29825805311 in words is "twenty-nine billion, eight hundred twenty-five million, eight hundred five thousand, three hundred eleven".