2116304334551 has 16 divisors (see below), whose sum is σ = 2424418172928. Its totient is φ = 1828543173600.

The previous prime is 2116304334511. The next prime is 2116304334583. The reversal of 2116304334551 is 1554334036112.

It is a de Polignac number, because none of the positive numbers 2^k-2116304334551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116304334511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26599895 + ... + 26679336.

It is an arithmetic number, because the mean of its divisors is an integer number (151526135808).

Almost surely, 2^{2116304334551} is an apocalyptic number.

2116304334551 is a deficient number, since it is larger than the sum of its proper divisors (308113838377).

2116304334551 is a wasteful number, since it uses less digits than its factorization.

2116304334551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53279422.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 2116304334551 in words is "two trillion, one hundred sixteen billion, three hundred four million, three hundred thirty-four thousand, five hundred fifty-one".