201541425550 has 24 divisors (see below), whose sum is σ = 394596898200. Its totient is φ = 76373592480.

The previous prime is 201541425529. The next prime is 201541425551. The reversal of 201541425550 is 55524145102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201541425551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106073485 + ... + 106075384.

It is an arithmetic number, because the mean of its divisors is an integer number (16441537425).

Almost surely, 2^201541425550 is an apocalyptic number.

201541425550 is a deficient number, since it is larger than the sum of its proper divisors (193055472650).

201541425550 is a wasteful number, since it uses less digits than its factorization.

201541425550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212148900 (or 212148895 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 201541425550 in words is "two hundred one billion, five hundred forty-one million, four hundred twenty-five thousand, five hundred fifty".