2011452203142 has 64 divisors (see below), whose sum is σ = 4722411801600. Its totient is φ = 633590203680.

The previous prime is 2011452203107. The next prime is 2011452203143. The reversal of 2011452203142 is 2413022541102.

2011452203142 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 452 + 203 + 1 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011452203143) 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 31 ways as a sum of consecutive naturals, for example, 13590784 + ... + 13737987.

It is an arithmetic number, because the mean of its divisors is an integer number (73787684400).

Almost surely, 2^{2011452203142} is an apocalyptic number.

2011452203142 is an abundant number, since it is smaller than the sum of its proper divisors (2710959598458).

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

2011452203142 is a wasteful number, since it uses less digits than its factorization.

2011452203142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27328858 (or 27328852 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 2011452203142 its reverse (2413022541102), we get a palindrome (4424474744244).

The spelling of 2011452203142 in words is "two trillion, eleven billion, four hundred fifty-two million, two hundred three thousand, one hundred forty-two".