2116711555120 has 40 divisors (see below), whose sum is σ = 4924774615680. Its totient is φ = 846096192000.

The previous prime is 2116711555111. The next prime is 2116711555121. The reversal of 2116711555120 is 215551176112.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2116711555120.

It is not an unprimeable number, because it can be changed into a prime (2116711555121) 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, 9078381 + ... + 9308620.

It is an arithmetic number, because the mean of its divisors is an integer number (123119365392).

Almost surely, 2^{2116711555120} is an apocalyptic number.

2116711555120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116711555120 is an abundant number, since it is smaller than the sum of its proper divisors (2808063060560).

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

2116711555120 is a wasteful number, since it uses less digits than its factorization.

2116711555120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18388453 (or 18388447 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 37.

The spelling of 2116711555120 in words is "two trillion, one hundred sixteen billion, seven hundred eleven million, five hundred fifty-five thousand, one hundred twenty".