2116610605535 has 8 divisors (see below), whose sum is σ = 2540002626096. Its totient is φ = 1693241884800.

The previous prime is 2116610605531. The next prime is 2116610605583. The reversal of 2116610605535 is 5355060166112.

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

It is not a de Polignac number, because 2116610605535 - 2² = 2116610605531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2116610605492 and 2116610605501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116610605531) 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, 5624474 + ... + 5988983.

It is an arithmetic number, because the mean of its divisors is an integer number (317500328262).

Almost surely, 2^{2116610605535} is an apocalyptic number.

2116610605535 is a deficient number, since it is larger than the sum of its proper divisors (423392020561).

2116610605535 is a wasteful number, since it uses less digits than its factorization.

2116610605535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11649913.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 2116610605535 in words is "two trillion, one hundred sixteen billion, six hundred ten million, six hundred five thousand, five hundred thirty-five".