2105610711720 has 64 divisors (see below), whose sum is σ = 6316938688320. Its totient is φ = 561486718464.

The previous prime is 2105610711713. The next prime is 2105610711731. The reversal of 2105610711720 is 271170165012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9733372 + ... + 9947348.

It is an arithmetic number, because the mean of its divisors is an integer number (98702167005).

Almost surely, 2^{2105610711720} is an apocalyptic number.

2105610711720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105610711720 is an abundant number, since it is smaller than the sum of its proper divisors (4211327976600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105610711720 is a wasteful number, since it uses less digits than its factorization.

2105610711720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295994 (or 295990 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 33.

Adding to 2105610711720 its reverse (271170165012), we get a palindrome (2376780876732).

The spelling of 2105610711720 in words is "two trillion, one hundred five billion, six hundred ten million, seven hundred eleven thousand, seven hundred twenty".