2011343154543 has 32 divisors (see below), whose sum is σ = 3034926720000. Its totient is φ = 1316290637376.

The previous prime is 2011343154497. The next prime is 2011343154593. The reversal of 2011343154543 is 3454513431102.

2011343154543 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 34 + 31 + 54 + 543 = 666.

It is not a de Polignac number, because 2011343154543 - 2⁶ = 2011343154479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011343154498 and 2011343154507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011343154593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2676823 + ... + 3344856.

It is an arithmetic number, because the mean of its divisors is an integer number (94841460000).

Almost surely, 2^{2011343154543} is an apocalyptic number.

2011343154543 is a deficient number, since it is larger than the sum of its proper divisors (1023583565457).

2011343154543 is a wasteful number, since it uses less digits than its factorization.

2011343154543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021916 (or 6021910 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 2011343154543 its reverse (3454513431102), we get a palindrome (5465856585645).

The spelling of 2011343154543 in words is "two trillion, eleven billion, three hundred forty-three million, one hundred fifty-four thousand, five hundred forty-three".