2116453541240 has 32 divisors (see below), whose sum is σ = 4764995015760. Its totient is φ = 846052608000.

The previous prime is 2116453541207. The next prime is 2116453541243. The reversal of 2116453541240 is 421453546112.

It is a junction number, because it is equal to n+sod(n) for n = 2116453541194 and 2116453541203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116453541243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16460426 + ... + 16588505.

Almost surely, 2^{2116453541240} is an apocalyptic number.

2116453541240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116453541240 is an abundant number, since it is smaller than the sum of its proper divisors (2648541474520).

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

2116453541240 is a wasteful number, since it uses less digits than its factorization.

2116453541240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33050543 (or 33050539 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 2116453541240 in words is "two trillion, one hundred sixteen billion, four hundred fifty-three million, five hundred forty-one thousand, two hundred forty".