2001542044041 has 12 divisors (see below), whose sum is σ = 2891131626240. Its totient is φ = 1334354282520.

The previous prime is 2001542043989. The next prime is 2001542044063. The reversal of 2001542044041 is 1404402451002.

2001542044041 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 54 + 204 + 404 + 1 = 666.

It is not a de Polignac number, because 2001542044041 - 2²⁶ = 2001474935177 is a prime.

It is a super-3 number, since 3×2001542044041³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001542043996 and 2001542044014.

It is not an unprimeable number, because it can be changed into a prime (2001542044141) 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 11 ways as a sum of consecutive naturals, for example, 1646656 + ... + 2591246.

It is an arithmetic number, because the mean of its divisors is an integer number (240927635520).

Almost surely, 2^{2001542044041} is an apocalyptic number.

It is an amenable number.

2001542044041 is a deficient number, since it is larger than the sum of its proper divisors (889589582199).

2001542044041 is a wasteful number, since it uses less digits than its factorization.

2001542044041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180036 (or 1180033 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 2001542044041 its reverse (1404402451002), we get a palindrome (3405944495043).

The spelling of 2001542044041 in words is "two trillion, one billion, five hundred forty-two million, forty-four thousand, forty-one".