29120505325 has 24 divisors (see below), whose sum is σ = 38095999200. Its totient is φ = 22020298560.

The previous prime is 29120505319. The next prime is 29120505343. The reversal of 29120505325 is 52350502192.

It is a de Polignac number, because none of the positive numbers 2^k-29120505325 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 141231 + ... + 279619.

It is an arithmetic number, because the mean of its divisors is an integer number (1587333300).

Almost surely, 2^29120505325 is an apocalyptic number.

29120505325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29120505325 is a deficient number, since it is larger than the sum of its proper divisors (8975493875).

29120505325 is a wasteful number, since it uses less digits than its factorization.

29120505325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138861 (or 138856 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 29120505325 in words is "twenty-nine billion, one hundred twenty million, five hundred five thousand, three hundred twenty-five".