20611299761107 has 8 divisors (see below), whose sum is σ = 22485742566912. Its totient is φ = 18736971669000.

The previous prime is 20611299761081. The next prime is 20611299761111. The reversal of 20611299761107 is 70116799211602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20611299761107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20611299761137) 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, 28302519 + ... + 29021632.

It is an arithmetic number, because the mean of its divisors is an integer number (2810717820864).

Almost surely, 2^{20611299761107} is an apocalyptic number.

20611299761107 is a deficient number, since it is larger than the sum of its proper divisors (1874442805805).

20611299761107 is a wasteful number, since it uses less digits than its factorization.

20611299761107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57356849.

The product of its (nonzero) digits is 571536, while the sum is 52.

The spelling of 20611299761107 in words is "twenty trillion, six hundred eleven billion, two hundred ninety-nine million, seven hundred sixty-one thousand, one hundred seven".