2116645242052 has 12 divisors (see below), whose sum is σ = 4040868189456. Its totient is φ = 962111473640.

The previous prime is 2116645242017. The next prime is 2116645242071. The reversal of 2116645242052 is 2502425466112.

It is a junction number, because it is equal to n+sod(n) for n = 2116645241996 and 2116645242014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24052786798 + ... + 24052786885.

It is an arithmetic number, because the mean of its divisors is an integer number (336739015788).

Almost surely, 2^{2116645242052} is an apocalyptic number.

2116645242052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2116645242052 is a deficient number, since it is larger than the sum of its proper divisors (1924222947404).

2116645242052 is a wasteful number, since it uses less digits than its factorization.

2116645242052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48105573698 (or 48105573696 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 2116645242052 in words is "two trillion, one hundred sixteen billion, six hundred forty-five million, two hundred forty-two thousand, fifty-two".