201142011411444 has 12 divisors (see below), whose sum is σ = 469331359960064. Its totient is φ = 67047337137144.

The previous prime is 201142011411437. The next prime is 201142011411457. The reversal of 201142011411444 is 444114110241102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8380917142132 + ... + 8380917142155.

Almost surely, 2^{201142011411444} is an apocalyptic number.

It is an amenable number.

201142011411444 is an abundant number, since it is smaller than the sum of its proper divisors (268189348548620).

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

201142011411444 is a wasteful number, since it uses less digits than its factorization.

201142011411444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16761834284294 (or 16761834284292 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

Adding to 201142011411444 its reverse (444114110241102), we get a palindrome (645256121652546).

The spelling of 201142011411444 in words is "two hundred one trillion, one hundred forty-two billion, eleven million, four hundred eleven thousand, four hundred forty-four".