2116622312523 has 12 divisors (see below), whose sum is σ = 3080681840808. Its totient is φ = 1400309926080.

The previous prime is 2116622312521. The next prime is 2116622312531. The reversal of 2116622312523 is 3252132266112.

2116622312523 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 622 + 3 + 1 + 2 + 5 + 23 = 666.

It is not a de Polignac number, because 2116622312523 - 2¹ = 2116622312521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2116622312521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 897633390 + ... + 897635747.

It is an arithmetic number, because the mean of its divisors is an integer number (256723486734).

Almost surely, 2^{2116622312523} is an apocalyptic number.

2116622312523 is a deficient number, since it is larger than the sum of its proper divisors (964059528285).

2116622312523 is a wasteful number, since it uses less digits than its factorization.

2116622312523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795269274 (or 1795269271 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 2116622312523 its reverse (3252132266112), we get a palindrome (5368754578635).

The spelling of 2116622312523 in words is "two trillion, one hundred sixteen billion, six hundred twenty-two million, three hundred twelve thousand, five hundred twenty-three".