2116512314442 has 24 divisors (see below), whose sum is σ = 4585819790916. Its totient is φ = 705497472576.

The previous prime is 2116512314431. The next prime is 2116512314447. The reversal of 2116512314442 is 2444132156112.

2116512314442 is a `hidden beast` number, since 21 + 1 + 65 + 123 + 14 + 442 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1919890131201 + 196622183241 = 1385601^2 + 443421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2116512314397 and 2116512314406.

It is not an unprimeable number, because it can be changed into a prime (2116512314447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1653198 + ... + 2639334.

Almost surely, 2^{2116512314442} is an apocalyptic number.

2116512314442 is an abundant number, since it is smaller than the sum of its proper divisors (2469307476474).

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

2116512314442 is a wasteful number, since it uses less digits than its factorization.

2116512314442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105382 (or 1105379 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The spelling of 2116512314442 in words is "two trillion, one hundred sixteen billion, five hundred twelve million, three hundred fourteen thousand, four hundred forty-two".