201554724142141 has 16 divisors (see below), whose sum is σ = 205886098598400. Its totient is φ = 197225145307008.

The previous prime is 201554724142133. The next prime is 201554724142151. The reversal of 201554724142141 is 141241427455102.

It is a cyclic number.

It is not a de Polignac number, because 201554724142141 - 2³ = 201554724142133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201554724142151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8709089416 + ... + 8709112558.

It is an arithmetic number, because the mean of its divisors is an integer number (12867881162400).

Almost surely, 2^{201554724142141} is an apocalyptic number.

It is an amenable number.

201554724142141 is a deficient number, since it is larger than the sum of its proper divisors (4331374456259).

201554724142141 is a wasteful number, since it uses less digits than its factorization.

201554724142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53868.

The product of its (nonzero) digits is 358400, while the sum is 43.

The spelling of 201554724142141 in words is "two hundred one trillion, five hundred fifty-four billion, seven hundred twenty-four million, one hundred forty-two thousand, one hundred forty-one".