29501841121 has 3 divisors (see below), whose sum is σ = 29502012883. Its totient is φ = 29501669360.

The previous prime is 29501841071. The next prime is 29501841197. The reversal of 29501841121 is 12114810592.

The square root of 29501841121 is 171761.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2776130721 + 26725710400 = 52689^2 + 163480^2 .

It is not a de Polignac number, because 29501841121 - 2⁹ = 29501840609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29501842121) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 85881 + ... + 257641.

Almost surely, 2^29501841121 is an apocalyptic number.

29501841121 is the 171761-st square number.

29501841121 is the 85881-st centered octagonal number.

It is an amenable number.

29501841121 is a deficient number, since it is larger than the sum of its proper divisors (171762).

29501841121 is an frugal number, since it uses more digits than its factorization.

29501841121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343522 (or 171761 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The spelling of 29501841121 in words is "twenty-nine billion, five hundred one million, eight hundred forty-one thousand, one hundred twenty-one".