201261563550142 has 8 divisors (see below), whose sum is σ = 301892503436496. Its totient is φ = 100630729071312.

The previous prime is 201261563550107. The next prime is 201261563550143. The reversal of 201261563550142 is 241055365162102.

201261563550142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201261563550143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21391738 + ... + 29327965.

It is an arithmetic number, because the mean of its divisors is an integer number (37736562929562).

Almost surely, 2^{201261563550142} is an apocalyptic number.

201261563550142 is a deficient number, since it is larger than the sum of its proper divisors (100630939886354).

201261563550142 is a wasteful number, since it uses less digits than its factorization.

201261563550142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52703762.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 201261563550142 in words is "two hundred one trillion, two hundred sixty-one billion, five hundred sixty-three million, five hundred fifty thousand, one hundred forty-two".