29120561607 has 8 divisors (see below), whose sum is σ = 38841045760. Its totient is φ = 19406892600.

The previous prime is 29120561539. The next prime is 29120561611. The reversal of 29120561607 is 70616502192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29120561607 - 2²⁸ = 28852126151 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 (29120563607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693807 + ... + 1710912.

It is an arithmetic number, because the mean of its divisors is an integer number (4855130720).

Almost surely, 2^29120561607 is an apocalyptic number.

29120561607 is a deficient number, since it is larger than the sum of its proper divisors (9720484153).

29120561607 is a wasteful number, since it uses less digits than its factorization.

29120561607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407573.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 29120561607 in words is "twenty-nine billion, one hundred twenty million, five hundred sixty-one thousand, six hundred seven".