201143314554 has 64 divisors (see below), whose sum is σ = 496095425280. Its totient is φ = 52944491520.

The previous prime is 201143314553. The next prime is 201143314571. The reversal of 201143314554 is 455413341102.

It is not an unprimeable number, because it can be changed into a prime (201143314553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83967 + ... + 639794.

It is an arithmetic number, because the mean of its divisors is an integer number (7751491020).

Almost surely, 2^201143314554 is an apocalyptic number.

201143314554 is an abundant number, since it is smaller than the sum of its proper divisors (294952110726).

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

201143314554 is a wasteful number, since it uses less digits than its factorization.

201143314554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724295.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 201143314554 its reverse (455413341102), we get a palindrome (656556655656).

The spelling of 201143314554 in words is "two hundred one billion, one hundred forty-three million, three hundred fourteen thousand, five hundred fifty-four".