201420415542351 has 12 divisors (see below), whose sum is σ = 283439255113752. Its totient is φ = 127212894026064.

The previous prime is 201420415542343. The next prime is 201420415542419. The reversal of 201420415542351 is 153245514024102.

It is not a de Polignac number, because 201420415542351 - 2³ = 201420415542343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201420415542301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92991880516 + ... + 92991882681.

It is an arithmetic number, because the mean of its divisors is an integer number (23619937926146).

Almost surely, 2^{201420415542351} is an apocalyptic number.

201420415542351 is a deficient number, since it is larger than the sum of its proper divisors (82018839571401).

201420415542351 is a wasteful number, since it uses less digits than its factorization.

201420415542351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185983763238 (or 185983763219 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 201420415542351 its reverse (153245514024102), we get a palindrome (354665929566453).

The spelling of 201420415542351 in words is "two hundred one trillion, four hundred twenty billion, four hundred fifteen million, five hundred forty-two thousand, three hundred fifty-one".