9799122120541 has 8 divisors (see below), whose sum is σ = 10838114279384. Its totient is φ = 8800874752320.

The previous prime is 9799122120523. The next prime is 9799122120559. The reversal of 9799122120541 is 1450212219979.

It is an interprime number because it is at equal distance from previous prime (9799122120523) and next prime (9799122120559).

It can be written as a sum of positive squares in 4 ways, for example, as 199969058041 + 9599153062500 = 447179^2 + 3098250^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9799122120541 - 2⁷ = 9799122120413 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 (9799122420541) 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 7 ways as a sum of consecutive naturals, for example, 10186197150 + ... + 10186198111.

It is an arithmetic number, because the mean of its divisors is an integer number (1354764284923).

Almost surely, 2^{9799122120541} is an apocalyptic number.

It is an amenable number.

9799122120541 is a deficient number, since it is larger than the sum of its proper divisors (1038992158843).

9799122120541 is a wasteful number, since it uses less digits than its factorization.

9799122120541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20372395311.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 9799122120541 in words is "nine trillion, seven hundred ninety-nine billion, one hundred twenty-two million, one hundred twenty thousand, five hundred forty-one".