20116761620255 has 8 divisors (see below), whose sum is σ = 24140148789600. Its totient is φ = 16093386066016.

The previous prime is 20116761620251. The next prime is 20116761620303. The reversal of 20116761620255 is 55202616761102.

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 20116761620255 - 2² = 20116761620251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116761620251) 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, 1518881 + ... + 6522309.

It is an arithmetic number, because the mean of its divisors is an integer number (3017518598700).

Almost surely, 2^{20116761620255} is an apocalyptic number.

20116761620255 is a deficient number, since it is larger than the sum of its proper divisors (4023387169345).

20116761620255 is an equidigital number, since it uses as much as digits as its factorization.

20116761620255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807553.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 20116761620255 in words is "twenty trillion, one hundred sixteen billion, seven hundred sixty-one million, six hundred twenty thousand, two hundred fifty-five".