2116711555125 has 32 divisors (see below), whose sum is σ = 3643663495680. Its totient is φ = 1089984795200.

The previous prime is 2116711555121. The next prime is 2116711555139. The reversal of 2116711555125 is 5215551176112.

It is not a de Polignac number, because 2116711555125 - 2² = 2116711555121 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 97309197 + ... + 97330946.

It is an arithmetic number, because the mean of its divisors is an integer number (113864484240).

Almost surely, 2^{2116711555125} is an apocalyptic number.

2116711555125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2116711555125 is a deficient number, since it is larger than the sum of its proper divisors (1526951940555).

2116711555125 is a wasteful number, since it uses less digits than its factorization.

2116711555125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194640190 (or 194640180 counting only the distinct ones).

The product of its digits is 105000, while the sum is 42.

The spelling of 2116711555125 in words is "two trillion, one hundred sixteen billion, seven hundred eleven million, five hundred fifty-five thousand, one hundred twenty-five".