2011545005143 has 16 divisors (see below), whose sum is σ = 2154225346560. Its totient is φ = 1874113567200.

The previous prime is 2011545005137. The next prime is 2011545005167. The reversal of 2011545005143 is 3415005451102.

It is a cyclic number.

It is not a de Polignac number, because 2011545005143 - 2²⁹ = 2011008134231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011545005123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2912163 + ... + 3536068.

It is an arithmetic number, because the mean of its divisors is an integer number (134639084160).

Almost surely, 2^{2011545005143} is an apocalyptic number.

2011545005143 is a deficient number, since it is larger than the sum of its proper divisors (142680341417).

2011545005143 is a wasteful number, since it uses less digits than its factorization.

2011545005143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6448638.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 2011545005143 in words is "two trillion, eleven billion, five hundred forty-five million, five thousand, one hundred forty-three".